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Anatomy of the Eye

Posted on by TLC Laser Eye Centers

Many people fear blindness more than any other disability. We use our eyes in virtually everything we do, and we depend on our vision to steer us through our daily lives.

The eye allows us to see the shapes, colors and dimensions of objects by processing the light they reflect or give off. The anatomy of the eye allows humans to see in dim light or bright light, but not in the absence of light. The eye changes light rays into electrical signals and then sends the signals to the brain. The brain interprets these electrical signals as visual images.

The eye measures approximately one inch in diameter and is set in a protective cone-shaped cavity in the skull called the orbit or socket. The orbit is surrounded by layers of soft, fatty tissue that protect the eye and allow it to turn easily. Six muscles regulate the motion of the eye. Among the more important parts of the anatomy of the human eye are the cornea, conjunctiva, iris, lens, retina, macula and the optic nerve.

Cornea

The cornea is sometimes referred to as the “window of the eye.” It provides most of the focusing power when light enters your eye. The cornea is composed of five layers of tissue. The outer layer is the epithelium. This layer is made up of highly regenerative cells that allows for fast healing of superficial injuries. The two middle layers of the cornea provide strength, shape and structural stability to the eye. The two inside layers work to keep fluid out of the cornea and maintain its optical clarity.  LASIK laser vision correction is performed on this part of the eye.

Lens

The lens is the clear structure located behind the iris. Its primary function is to provide fine-tuned focusing for near vision. The lens performs this function by altering its shape to become thinner or thicker as necessary. Between the ages of 40 and 50, the lens becomes less flexible and presbyopia sets in. As people reach their 60s or 70s, the lens can become cloudy and hard (cataract formation), preventing light from entering the eye.

LASIK eye

Pupil

The pupil is the hole in the center of your iris (the colored part of your eye). The primary function of the pupil is to control the amount of light entering your eye. When you are in a bright environment, the iris constricts, causing the pupil to become smaller to allow less light to pass through. When it is dark, the pupil expands to allow more light to reach the back of your eye.

Iris

The iris provides the color of the eye (i.e. blue/green/brown/hazel). The iris’ main role is to control the size of the pupil through contraction or expansion.

Vitreous Body

This is the clear, gel-like substance located inside the eye’s cavity. The purpose of the vitreous body is to provide a spherical shape to the eye. The vitreous may develop small clumps known as floaters. These are more common in nearsighted people than in the rest of the population.

Retina

The retina consists of fine nerve tissue that lines the inside wall of the eye and acts like the film in a camera. Its primary function is to transmit images to the brain. When your vision is perfect, the light rays coming into your eye focus precisely on this part of your eye.

Optic Nerve

The optic nerve carries electrical signals from the retina to the brain.

Sclera

The sclera is the white part of the eye’s anatomy. The sclera’s purpose is to provide structure, strength and protection to the eye.

Top 7 Reasons to Choose TLC for Your LASIK Procedure

Posted on by TLC Laser Eye Centers

If you’ve made the decision to pursue LASIK eye surgery, you are probably excited to take the next step toward your best vision without full time dependence on glasses and contacts. You may have researched the details on LASIK surgery itself, but what about LASIK providers? It is important to research your providers in order to find one that you feel comfortable with. Read on to learn more about what to look for in a provider, and why TLC Laser Eye Centers is your optimum LASIK provider!

Reason #1: Experienced LASIK Surgeons

The Laser eye center that you choose should only work with expert surgeons who are up-to-date on current trends and technologies in the field of LASIK eye surgery. Often, leading LASIK surgeons will maintain their expertise by seeking additional clinical training and certifications, such as those issued by American Board of Ophthalmology (ABO). Knowledgeable LASIK surgeons and their clinical teams will also diligently screen patients for candidacies, and only accept patients who meet all the qualifications required for the procedure.

The LASIK specialists at TLC Laser Eye Centers have performed over 2.3 million LASIK procedures. Not only do the surgeons have plenty of experiences, but also over 7,000 eye doctors have chosen TLC Laser Eye Centers for their own LASIK surgeries, demonstrating that TLC Laser Eye Centers is a trusted provider with experienced, skilled LASIK surgeons.

Reason #2: The Latest Laser Technologies

Medical technologies are always changing and improving, and a well-informed provider carefully monitors these LASIK advancements and is constantly making clinical decisions on adapting new technologies to deliver the best possible patient outcomes.

TLC Laser Eye Centers are passionate about using the latest laser technologies to care for our LASIK patients. Using modern LASIK, or bladeless LASIK, is just one example of how we provide personalized, custom LASIK treatments for each individual who comes to TLC Laser Eye Centers.

In addition to modern LASIK, TLC Laser Eye Centers also offer other vision correction procedures in order to match the best technology to each patient, including Contoura Vision and PRK. Having access to advanced patient testing instruments and multiple vision correction surgical technologies, our surgeons can determine the most suitable vision correction option to enhance our patients’ vision. At TLC Laser Eye Centers, we are committed to quality care and patient safety.

Reason #3: Affordable LASIK

There is a range of costs when you compare potential LASIK providers. Remember that the least expensive provider won’t necessarily be the best. In addition, many providers also offer financing to help achieve your goal of laser vision correction. It’s important to weigh all your considerations when you evaluate different LASIK centers. Your chosen provider should have the right surgeon and the right equipment for you to help make your LASIK dreams a reality.

TLC Laser Eye Centers offers LASIK financing options to help meet your needs. We work with insurance plans and companies to offer LASIK discounts to its members and employees. You may also be able to use funds from a Flexible Spending Account or Health Savings Account toward your LASIK eye surgery.

Reason #4: Referrals

When searching for any type of provider, you can’t underestimate the value of referrals from trusted friends or family. LASIK surgery is very popular; chances are you know one or several people who have had LASIK and are happy with their results. In addition to inquiring with your eye doctors, don’t forget to ask your family or friends about their experiences and which provider they recommend!

LASIK referral

Reason #5: Location

You need a provider that is close by. After all, it may not be most ideal to travel long distances before and after your quick LASIK procedure. With  convenient, nationwide locations, you can find a TLC Laser Eye Center near you!

Reason #6: Commitment

Find a provider who is committed to you and your vision—not just now, but in the future as well. Your visual needs may change with time, if you were to need a retreatment or an enhancement down the road, you want to know that your provider will be available.

With the TLC Lifetime Commitment program, you can be sure that TLC Laser Eye Centers will stand by you. We are dedicated to helping you maintain the best possible vision throughout your lifetime.

Reason #7: A Solid Partner

At TLC Laser Centers, we know that no one is more familiar with your eye health than your own eye doctor. That’s why TLC affiliated Doctors of Optometry will be an important part of your LASIK team. These optometric physicians partner with TLC Laser Centers because of our record of safety and patient satisfaction, as well as our years of experience in the field. By partnering with optometrists across the country, not only can we help you make the best decisions about your LASIK procedure, but we are also in the best position to care for you, both before and after your laser eye surgery.

If you’d like to learn more about the TLC commitment to vision, schedule a free LASIK consultation at a location near you.

Schedule a FREE LASIK Consultation Today

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Is the Cost of LASIK Different Based on Where I Live?

Posted on by TLC Laser Eye Centers

There are many factors to consider when evaluating the cost of LASIK eye surgery, and understanding those factors can help you make an informed decision on choosing the LASIK provider that’s right for your needs. It’s not unusual to see LASIK centers offering very different price quotes. Reputable laser eye surgery providers will make pricing clear, so you understand all the various elements that are included in the pricing. This post takes a closer look at the cost of laser eye surgery, and how your location may impact that cost.

Understanding LASIK Cost Factors

To comprehend LASIK costs, consider several key factors beyond location. The surgeon you choose and the specific type of laser eye surgery procedure contribute to the overall price. Procedures like Custom Wavefront and Bladeless LASIK may have higher costs but come with distinct benefits. Additionally, the geographical area where you undergo laser eye surgery plays a significant role in determining the cost.

LASIK cost based on location
  • Cost of Living -The cost of living in your region directly affects the overall LASIK expenses. Higher basic living costs, including rent, gasoline, and utilities, can contribute to an increase in LASIK prices.
  • Business Operating Costs – Regions with a lower cost of living may offer more affordable LASIK prices, but areas with a higher cost of living can drive up the operating costs for LASIK providers, leading to regional variations in prices.
  • LASIK Surgeon Costs – Surgeon fees in metropolitan areas with a higher cost of living may slightly elevate the average LASIK price. Conversely, choosing LASIK in a community with a lower cost of living may result in a more budget-friendly option.

Choosing a Reputable LASIK Provider

Regardless of your location, a trustworthy LASIK surgeon ensures transparency in cost breakdown. Conduct thorough research and request an itemized list detailing the components covered in your LASIK procedure cost. This includes information on the laser technology utilized, post-operative care, and any potential post-surgery enhancements.

Ready to delve into the specifics of LASIK costs in your area? Schedule a free consultation at your local TLC Laser Eye Center. Seize this opportunity to gain comprehensive insights into LASIK, including the associated costs and all aspects of the procedure.

Schedule a FREE LASIK Consultation Today

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Is Age a Barrier for LASIK?

Posted on by TLC Laser Eye Centers

Good news! Age doesn’t have to be a barrier to have LASIK. While the typical LASIK patient falls between 20 and 45 years old, the FDA only requires candidates to be at least 18. As long as your vision prescription has stabilized for at least a year, your eyes are healthy, and you’re in good overall health, you may be a good candidate for LASIK even after 50.

Why There’s No Upper Age Limit on LASIK

The FDA stipulates that the minimum age for LASIK candidates is 18, as our eyes and prescriptions may still undergo frequent changes before that age. However, there’s no upper age limit for LASIK, and the decision to undergo the procedure is based on individual health and vision factors.

LASIK Monovision

Here are some things to consider for LASIK after 50:

  • Presbyopia: After 45, many people experience near vision issues due to presbyopia. While LASIK isn’t always the best solution for presbyopia, TLC offers other vision correction technologies like Monovision.
  • Cataracts: Cataracts, which often develop after 55, can significantly impact vision. In most cases, cataract surgery is the preferred treatment option for older patients with vision problems.
  • Health conditions: Certain health conditions may impact your candidacy for LASIK. However, don’t rule it out based on health alone. Discuss your individual situation with a TLC LASIK specialist to determine if it’s a safe and effective option for you.

Basic LASIK Candidacy Requirements:

For LASIK candidacy, a stable vision prescription for at least one year, the absence of eye diseases, and good overall health are essential. It’s important to note that good overall health doesn’t have to mean perfect health, and consulting with a LASIK specialist is the best way to understand how laser eye surgery aligns with various health needs.

Regardless of age, if you’re curious about LASIK eye surgery’s suitability for your vision health needs, schedule a free consultation with a TLC LASIK specialist. Determine your candidacy and explore the potential benefits of laser eye surgery tailored to your unique requirements.

Ready to ditch your glasses and contacts for good? Schedule a free consultation with TLC LASIK specialists today! We’ll assess your vision health, discuss your options, and help you find the perfect solution for clear vision in your golden years.

Schedule a FREE LASIK Consultation Today

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8 Criteria for a Good LASIK Candidate

Posted on by TLC Laser Eye Centers

If you wear glasses or contact lenses, you’ve probably experienced some of the frustrations that come from being dependent on eyewear for clearer vision. As you wipe your glasses off for the hundredth time, or feel your contact lens become displaced, you wonder if there is a better way. If you’d like to be free of glasses or contacts, you may consider LASIK eye surgery. But, how can you know if you’re a strong candidate for LASIK?  Here are some of the criteria that make for a good LASIK candidate.

You need healthy eyes

Beyond the obvious desire for clearer vision, your eyes should be generally healthy in order to qualify for laser eye surgery. As an example, if you have an eye infection, severe dry eyes, or conjunctivitis (pink eye), you won’t be able to have the procedure until your eyes have healed.

If you have any chronic dry eye issues, be sure to discuss them with your regular eye doctor and/or LASIK specialist. He or she may be able to help treat your dry eye and get your eyes healthy enough for LASIK.

Your prescription must be within a certain range

While LASIK can be used to correct many vision problems, to achieve the best results, your prescription should not be too high (whether you are nearsighted, farsighted, or suffer from astigmatism).

In general, the excimer lasers used during LASIK are FDA-approved to correct prescriptions of up to approximately +6.00 diopters of farsightedness, -12 diopters of nearsightedness, and 6.00 diopters of astigmatism.i  Keep in mind that these qualifying prescription parameters may be differ pending your own unique patient profile, surgical method and the evaluation findings from your eye doctors and LASIK specialist

LASIK diopter

You must be a certain age

To undergo laser eye surgery, you must be a minimum of 18 years old. However, most LASIK patients are not younger than their early 20’s. The younger you are, the more likely that your eyes are continuing to change and evolve. There is also no upper age limit for LASIK, and many adults are happy with their LASIK results in their 40’s and beyond. Keep in mind, though, that an older patient might still need glasses or contacts for certain activities (such as reading).

Your current prescription should be stable

A good LASIK candidate should have a prescription that has remained the same or very similar for at least one year. If you find your distance prescription consistently changes at each annual eye exam, LASIK might not be the best option until your prescription stabilizes. When you have laser eye surgery, your LASIK surgeon is correcting your vision according to your prescription at that time. This means that, even though you’ve had LASIK, if your eyes continue to change year to year, you’re more likely to need a LASIK enhancement down the line. This is another reason why younger candidates, whose eyes are more likely to change, may want to wait on LASIK.

You should be in good general health

It’s not only important for your eyes to be healthy, but your body as well. If you have any illnesses or disorders that would prevent your body from healing, it’s important to discuss laser eye surgery with your doctor, and to let your LASIK specialist know.

If you have any of the following conditions, you may not be a good candidate for LASIK:

  • Autoimmune diseases (HIV/AIDS, Lupus, etc.)
  • Diabetes
  • Rheumatoid arthritis
  • Depression
  • Chronic pain conditions, such as IBS, fibromyalgia, or migrainesii

You should not be pregnant

When pregnant, your body is undergoing a lot of hormonal changes, which may affect your vision by temporarily changing your prescription.  For this reason, you should not be evaluated for a LASIK procedure until you are no longer pregnant. Nursing patients can consult with a LASIK specialist to assess their individual circumstances and determine whether the procedure is a suitable option. If your LASIK evaluation occurs right after pregnancy, pending the evaluation findings, your eye doctor or LASIK specialist may recommend giving your eyes a few months to return to their normal baseline.

Your corneas must have the appropriate thickness

You may be surprised to learn that the level of thickness in your corneas is another factor in your candidacy for LASIK eye surgery. The LASIK procedure works to improve vision by reshaping the cornea. If your cornea is too thin, it may not be possible to get the results you want.  The good news is that, in recent years, the advancement in lasers used for LASIK allow for patients with thinner corneas to undergo LASIK surgery. For most patients, the average cornea tissue is 540 to 550 microns thickiii.

You’ve researched and prepared

What’s the final step to be considered a good candidate for LASIK eye surgery? Doing your research and being prepared! If you research LASIK, talk to your eye doctor, and see a LASIK specialist with a list of questions, you will be well on your way to finding out if LASIK is a fit for you.

If you’d like to discuss your options and find out if you are a candidate for LASIK, schedule a free consultation at a location near you.

Schedule a FREE LASIK Consultation Today

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[i] FDA. (2016). Summary of safety and effectiveness data. Retrieved from https://www.accessdata.fda.gov/cdrh_docs/pdf2/P020050S023B.pdf

[ii] FDA. (2006). Summary of safety and effectiveness data. Retrieved from https://www.accessdata.fda.gov/cdrh_docs/pdf3/P030008S004B.pdf

iii Mayo Clinic. (2019). Lasik surgery: Is it right for you? Mayoclinic.org. Retrieved from https://www.mayoclinic.org/tests-procedures/lasik-eye-surgery/in-depth/lasik-surgery/art-20045751

Discover the History of LASIK

Posted on by TLC Laser Eye Centers

Vision problems have long been a fact of life for humans, and for centuries glasses (and later, contact lenses) were the only solution available to most people. The first glasses were developed in the 13th century, the first contacts were created in 1888, and it wasn’t until the 1970s that procedures like LASIK eye surgery began to take shape. LASIK technology is always advancing, and the history of laser eye surgery goes a long way toward explaining why people with vision problems have so many potential treatment options today.

Laser Eye Surgery Research in the 1970s

The story of LASIK begins long before the first procedure was performed, in the research halls of major universities and businesses. Throughout the late 1970s, a procedure called Radial Keratotomy (RK), which shares similarities with LASIK, was performed in the United States. A major breakthrough came in 1980, when IBM researcher Rangaswamy Srinivasan discovered that the excimer laser – initially developed for computer chip production – was able to remove living tissue without causing thermal damage. Surgeon Steven Trokel of Columbia University published a key study in 1985 detailing the effectiveness of the excimer laser for RK surgery, which helped pave the way for LASIK eye surgery.

LASIK history

The First Laser Vision Correction Procedure (1988)

The first laser vision correction procedure took place in 1988, when a 60-year old woman with a serious vision problem allowed surgeon Marguerite McDonald to perform the first photorefractive keratectomy (PRK) procedure on her damaged eye. PRK surgery was approved by Canada in 1991, approved by the US in 1995, and remains in use to this day.

The Development of LASIK Eye Surgery

While the results of the first PRK surgery helped allow the procedure to reach the wider market, European eye doctors Ioannis Pallikaris and Lucio Burrato were busy working on ways to optimize laser eye surgery. They made the discovery that creating a “flap” in the cornea, rather than treating the surface, helped to minimize post-surgery discomfort and speed up the healing process. The flap allows surgeons to address vision problems at the source, and works as a natural bandage to help with the healing process. This was the beginning of LASIK eye surgery as we know it today, and LASIK was approved for use in the United States in 1999.

Refining LASIK and Creating New Procedures

In the present day, LASIK eye surgery is still on a path of innovation, as scientists and eye doctors continue to develop new technology. Patients can now choose unique options like Bladeless LASIK, which relies on a laser to create the flap, rather than a blade. The excimer laser remains a key part of laser eye surgery, and continues to be optimized over time.

Advances in the technology used to map the eye before surgery have also been a big part of the LASIK story, with procedures like Custom LASIK and Topography-Guided LASIK providing more precise data than ever to help plan your procedure. The detailed data helps surgeons customize your procedure to deliver the best results for your unique vision care needs. LASIK patients truly now have more options than ever before.

If the history of laser eye surgery tells us anything, it’s to expect LASIK technology to continue evolving. Procedures like Bladeless “all-laser” LASIK , Topography-Guided LASIK, and Custom LASIK each offer unique benefits, but none of it would have been possible without the many people who contributed to the development of laser eye surgery.

If you are considering LASIK eye surgery for your vision correction, start with a Free Consultation at a local TLC Laser Eye Center near you. It’s a great opportunity to meet with our caring staff and get all your questions answered.

LASIK vs. Ortho-K: A Comprehensive Comparison

Posted on by TLC Laser Eye Centers

When considering vision correction methods, LASIK (Laser-Assisted In Situ Keratomileusis) and Orthokeratology (Ortho-K) emerge as distinct options, each with unique approaches and target conditions. Dive into this detailed LASIK vs. Ortho-K comparison for an insightful overview:

What is LASIK (Laser-Assisted In Situ Keratomileusis)?

Procedure:

  • Flap Creation: A thin corneal flap is crafted using a microkeratome or femtosecond laser.
  • Corneal Reshaping: The flap is lifted, and the underlying cornea is reshaped with an excimer laser.

Recovery Time:

  • Quick Visual Recovery: Patients often experience rapid improvement within a day or two.
  • Stabilization: Full vision stabilization may take a few weeks.

Postoperative Discomfort:

  • Mild Discomfort: Minimal discomfort during the initial hours, with reduced sensitivity to light.

Suitability:

Advantages and disadvantages of LASIK:

Advantages:

  • Rapid Visual Improvement: Immediate enhancement in vision.
  • Minimal Discomfort: Usually, minimal discomfort during and after the procedure.

Disadvantages:

  • Flap-Related Complications: Rare, but potential complications include flap-related issues.
  • Dry Eyes: Some experience temporary dry eyes.

What is Orthokeratology (Ortho-K)?

Procedure:

  • Contact Lens Wear: Specially designed gas-permeable lenses worn overnight.

Corneal Reshaping:

  • Recovery Time: Gradual improvement with full stabilization over a few weeks.

Postoperative Discomfort:

  • Mild Discomfort: Some may experience mild discomfort during adaptation.

Suitability:

  • Common Refractive Errors: Primarily for myopia control and mild to moderate myopia.
  • Presbyopia: Used for presbyopia, often combined with monovision.

Advantages and Disadvantages of Orthokeratology:

Advantages:

  • Non-Surgical: Reshapes the cornea without surgery.
  • Daytime Freedom: Clear vision during the day without glasses.

Disadvantages:

  • Temporary Effects: Requires consistent lens wear for sustained results.
  • Risk of Infection: Proper hygiene crucial to prevent infections.
  • Vision Instability: Changes through the day based on usage frequency.
  • Comfort: May be challenging to sleep with rigid lenses.

Choosing Between LASIK and Ortho-K:

  • Surgical Preference: Non-surgical preference may lead to Ortho-K.
  • Reversibility: Ortho-K is reversible; LASIK is permanent.
  • Corneal Thickness: If corneal thickness is a concern, Ortho-K may be safer.

Both LASIK and Ortho-K are effective, and the choice depends on individual factors, preferences, and refractive error. Consult with an experienced eye care professional to determine the most suitable method for your unique needs and circumstances.

LASIK OD

LASIK Eye Surgery Technology: Exploring Wavelight Laser, Contoura Vision, and More

Posted on by TLC Laser Eye Centers

Table of Content

Understanding LASIK Technology
Wavelight LASIK Laser: Advancing Vision Precision
Contoura Vision System: Personalized Precision
Exploring Visx vs. Wavelight Laser Technology for LASIK: A Comprehensive Comparison
Comparing LASIK Eye Surgery Technology

Discover the latest in LASIK (Laser-Assisted In Situ Keratomileusis) surgery technology as of November 2023. LASIK has transformed ophthalmology globally, offering a life-changing solution for refractive errors like myopia, hyperopia, and astigmatism. This article delves into the intricacies of LASIK technology, spotlighting advancements such as the Wavelight laser and Contoura Vision. Stay informed about the cutting-edge developments shaping the world of vision correction.

Understanding LASIK Technology

LASIK surgery reshapes the cornea to enhance vision, leveraging lasers for precise adjustments. The Wavelight laser and Contoura Vision system represent pivotal innovations driving the success of LASIK. Explore the principles behind these technologies and their impact on refractive error correction.

Modern LASIK Technology

Wavelight LASIK Laser: Advancing Vision Precision

Uncover the advancements of Wavelight lasers, employing wavefront-optimized technology for refined treatments. Unlike traditional LASIK, these lasers focus on preserving the corneal asphericity, reducing higher-order aberrations (HOA). Learn how Wavelight lasers enhance visual outcomes by minimizing visual symptoms associated with conventional refractive surgery.

Contoura Vision System: Personalized Precision

A revolutionary LASIK technology developed by Alcon. This system integrates corneal topography and wavefront-guided technology, creating a comprehensive 3D map of the eye. Discover how Contoura Vision addresses not only refractive errors but also subtle corneal irregularities, leading to sharper, clearer vision and reduced instances of halos and glare.

Exploring Visx vs. Wavelight Laser Technology for LASIK: A Comprehensive Comparison

Navigate the differences between Wavelight and Visx lasers, two prominent brands in LASIK surgery. Delve into aspects such as wavefront technology, eye tracking systems, treatment speed, FDA approval, and treatment capabilities to make informed decisions based on individual preferences and needs.

Wavefront Technology Unveiled:

Wavelight: The Wavelight laser integrates advanced wavefront-optimized technology, aiming to preserve the corneal asphericity. By delivering precise laser energy to the corneal periphery, it effectively reduces higher-order aberrations, enhancing the correction of refractive errors.

Visx: In contrast, Visx lasers offer a choice between “standard” and wavefront-guided technology. This versatility allows for a customized LASIK procedure, addressing not only basic refractive errors but also higher-order aberrations, leading to superior visual outcomes.

Eye Tracking Precision:

Wavelight: Equipped with sophisticated eye-tracking systems, Wavelight lasers monitor the eye’s movements in real-time during LASIK surgery. This ensures accurate and consistent treatment, even if the eye experiences slight shifts.

Visx: Visx lasers also incorporate advanced eye-tracking technology to follow the eye’s movements, maintaining precision throughout the LASIK procedure. The accuracy of this system is pivotal for achieving optimal results.

Treatment Speed and Efficiency:

Wavelight: Renowned for their fast treatment times, Wavelight lasers perform high-speed laser ablation, minimizing exposure time. This not only enhances patient comfort but also reduces the risk of potential corneal dehydration or other factors affecting the procedure.

Visx: Designed for efficiency, Visx lasers contribute to quick and streamlined treatments. The speed of the laser ablation process is a key factor in enhancing patient comfort and shortening the overall duration of the LASIK procedure.

FDA Approval and Reputation:

Wavelight: Specific models like the EX500 from Wavelight have obtained FDA approval for LASIK surgery. Wavelight lasers are recognized for their precision and customization capabilities, contributing to a positive reputation.

Visx: With a long history of use in LASIK and FDA approval, Visx lasers have established themselves as a well-known and trusted brand, having been employed in numerous successful LASIK procedures worldwide.

Treatment Capabilities:

Wavelight: Wavelight lasers excel in treating a diverse range of refractive errors, including myopia, hyperopia, and astigmatism. The incorporation of wavefront-guided technology allows for comprehensive vision correction.

Visx: Known for their versatility, Visx lasers effectively address various refractive errors. The technology within Visx systems caters to both common refractive issues and higher-order aberrations, resulting in enhanced visual quality.

Both Wavelight and Visx lasers enjoy a solid reputation in LASIK surgery. Choosing between them hinges on factors such as the surgeon’s preference, laser model specifics, and individual patient needs. For those contemplating LASIK, consulting with eye care professionals is crucial to determine the most suitable technology for unique vision correction requirements. Make an informed decision by exploring these laser technologies in detail and understanding their distinct advantages.

Comparing LASIK Eye Surgery Technology

Femtosecond Lasers:

1. IntraLase iFS (now part of Johnson & Johnson Vision): IntraLase iFS, a cutting-edge femtosecond laser system, plays a crucial role in creating corneal flaps during LASIK surgery. With its high precision and customization features, this laser contributes significantly to enhanced safety and efficacy.
2. Alcon FS200: The Alcon FS200 is another noteworthy femtosecond laser system dedicated to crafting corneal flaps. Its utilization of low pulse energy ensures precise corneal flap creation, emphasizing accuracy in LASIK procedures.
3. Zeiss VisuMax:Recognized for its precision, the VisuMax femtosecond laser stands out in corneal flap creation for LASIK surgery. Operating with extremely short pulses of laser light, it offers a bladeless and precise approach to corneal flap creation, contributing to optimal surgical outcomes.

Excimer Lasers:

1. Alcon’s Contoura Vision:Alcon’s Contoura Vision integrates corneal topography and advanced wavefront-guided technology, providing highly customized LASIK treatments. This technology addresses both common refractive errors and higher-order aberrations, ultimately leading to improved visual outcomes.
2. Wavelight EX500:Renowned for its speed and accuracy, the Wavelight EX500 excimer laser is equipped with advanced eye-tracking and wavefront-optimized technology. Designed to deliver efficient and highly personalized LASIK treatments, it aims to enhance the overall patient experience.
3. VISX Excimer Lasers:Widely recognized for their reliability, VISX excimer lasers are extensively used in LASIK surgery. These lasers incorporate wavefront-guided technology to customize treatments based on the unique characteristics of each patient’s eyes, ensuring personalized and effective vision correction.
4. Nidek EC-5000:The Nidek EC-5000 excimer laser system, employed in LASIK surgery, offers precision and versatility in treating various refractive errors. With a focus on accuracy, this laser system contributes to successful and customized vision correction outcomes.

In navigating the landscape of LASIK technology, understanding the nuances of femtosecond and excimer lasers is vital. Each system brings its unique advantages, contributing to the precision and customization essential for optimal LASIK outcomes. For those considering LASIK, consulting with experienced eye care professionals can help determine the most suitable technology for individual vision correction needs. Stay informed about these advanced technologies to make well-informed decisions about your LASIK journey.

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Seeing Life Clearly: A Guide to Vision Correction Options (Updated November 2023)

Posted on by TLC Laser Eye Centers

Table of Content

Eyeglasses
Contact Lenses
Modern LASIK
PRK (Photorefractive Keratectomy)
SMILE (Small Incision Lenticule Extraction)
EVO ICL (Implantable Collamer Lens)
Ortho-K (Orthokeratology)

Glasses, contacts, surgery? With so many options for correcting vision these days, how do you determine what is best for your eyes and lifestyle? In this overview, we break down the pros and cons of today’s vision correction methods—from old standbys like eyeglasses to cutting-edge surgical procedures—to help you make a clear-eyed decision.

Non-Surgical Vision Correction:

Eyeglasses

Pros

  • Non-Invasive: Eyeglasses offer a non-invasive and easily reversible method of vision correction.
  • Versatility: Suitable for correcting various refractive errors, including myopia, hyperopia, astigmatism, and presbyopia.
  • Fashion Accessory: Eyeglasses have evolved into a fashion statement, enabling individuals to express their style through a wide range of frames.

Cons 

  • Peripheral Distortion: Some individuals may experience peripheral distortion or reflections, affecting the clarity of vision. Lenses may also fog when transitioning between different temperatures.
  • Limited Peripheral Vision: Frames can limit peripheral vision, which may be a concern in certain activities.
  • Weight and Discomfort: Wearing glasses can become uncomfortable due to their weight and pressure on the bridge of the nose.

Contact Lenses—Convenient But Require Care 

Pros

  • Natural Appearance: Contact lenses provide a more natural appearance without the visible presence of eyeglasses.
  • Unrestricted Field of View: Unlike glasses, contact lenses don’t obstruct peripheral vision.
  • Suitable for Active Lifestyles: Ideal for individuals with active lifestyles or those who find glasses inconvenient.   

Cons  

  • Maintenance Required: Regular cleaning and proper hygiene practices are necessary to prevent eye infections.
  • Dry Eye Disease: Some individuals may experience dry eyes as a result of wearing contact lenses.     
  • Risk of Infections: Incorrect use or poor hygiene can lead to serious eye infections.
  • Environmental Concerns: The disposal of contact lenses and their packaging contributes to environmental waste.

Refractive Surgery:

Modern LASIK (Laser-Assisted In Situ Keratomileusis) Custom Bladeless—Most Popular Surgery

Pros  

  • Rapid Results: LASIK often provides rapid visual recovery, with many patients experiencing improved vision within the first several hours to a day.
  • Long-Lasting: The effects of LASIK are typically long-lasting, reducing or eliminating the need for glasses.

Cons

  • Surgical Risks: As with any surgery, LASIK carries some risks, including infection, dry eyes, and changes in vision.  
  • Cost: LASIK can be a significant financial investment compared to non-surgical methods.

PRK (Photorefractive Keratectomy):

Pros

  • No Flap Creation: PRK doesn’t involve creating a corneal flap, reducing the risk of flap-related complications.
  • Suitable for Thin Corneas: PRK may be a better option for individuals with thinner corneas.

Cons

  • Extended Recovery Time: PRK typically has a longer recovery period compared to LASIK.
  • Discomfort During Healing: Some discomfort and light sensitivity may be experienced during the initial healing phase.

SMILE (Small Incision Lenticule Extraction):

Pros

  • No Flap Creation: SMILE involves a small incision rather than a corneal flap, potentially reducing complications.
  • Potential Preservation of Corneal Strength: Early studies indicate that the SMILE procedure preserves more corneal tissue, benefiting the structural integrity of the cornea.

Cons

  • Limited Availability: SMILE may not be as widely available as LASIK or PRK.
  • Similar complications to LASIK: In studies, complications can be similar to LASIK, including infection, dry eyes, and changes in vision.
  • Cost: The SMILE procedure can cost significantly more than LASIK or PRK.

EVO ICL (Implantable Collamer Lens):

Pros

  • Reversible Procedure: EVO ICL is an implantable lens that can be removed if necessary, making the procedure reversible.
  • High Refractive Correction: EVO ICL is suitable for individuals with high degrees of myopia or hyperopia.

Cons

  • Invasive Procedure: EVO ICL involves a surgical procedure to implant the lens in the eye.
  • Potential for Complications: As with any surgical procedure, there is a risk of complications, including infection or changes in intraocular pressure, endothelial cell loss, and corneal decompensation.

Orthokeratology (Ortho-K):

Pros

  • Non-Surgical: Ortho-K involves the use of specially designed contact lenses to reshape the cornea overnight without surgery.
  • Daytime Freedom: Individuals can enjoy better vision during the day without the need for glasses or lenses.

Cons

  • Temporary Effects: The effects of Ortho-K are temporary, and consistent lens wear is required for sustained results.
  • Risk of Infection: Proper hygiene practices are crucial to prevent eye infections associated with contact lens use.
  • Vision Instability: Vision may change throughout the day depending on the frequency of use.
  • Comfort: It may be challenging to sleep with a rigid contact lens on the eye.

The vision correction arena offers more excellent options than ever. But determining what works best is a personal decision based on your eyes, budget, and lifestyle. With an understanding of today’s methods, you can zero in on the choice that allows you to see life most clearly. Choosing the most suitable method involves careful consideration of the pros and cons associated with each approach, along with consultation with a qualified eye care professional. Whether opting for the convenience of eyeglasses, the flexibility of contact lenses, or the transformative effects of refractive surgery, individuals can make informed decisions to achieve optimal visual clarity and comfort.

LASIK vs SMILE: What’s the Difference?

Posted on by Lisa Scheibenzuber

LASIK and SMILE are both laser vision correction procedures that can correct refractive errors. They are both safe and effective procedures, but there are some key differences between them.

What is LASIK?

LASIK stands for laser-assisted in situ keratomileusis. In LASIK, a flap is created in the cornea, the clear front of the eye. The excimer laser then reshapes the cornea underneath the flap. The flap is then replaced, and the eye heals.

What is SMILE?

SMILE stands for small incision lenticule extraction. In SMILE, a small lenticule is removed from the cornea using a femtosecond laser. The lenticule is a disc of tissue that is removed from the cornea to reshape it.

Which is right for you?

The best way to decide which procedure is right for you is to talk to your eye doctor. They can assess your individual needs and help you choose the best option for you.

At TLC Vision, we are committed to providing our patients with the best possible care. That’s why we take a conservative approach to new technology. We want to make sure that any new laser technology we offer is safe and effective, and that it provides our patients with the best possible outcomes.

We understand that new technology can be exciting, but we also know that it’s important to be cautious. That’s why we often wait to adopt new technology until more is known about its safety and effectiveness over the long run.

One example of this is SMILE. SMILE is a newer laser vision correction procedure that is less invasive than LASIK. However, it is still a relatively new procedure, and there is not yet a lot of long-term data on its safety and effectiveness. We have not yet adopted SMILE at TLC Vision. We want to make sure that we can offer our patients the best possible care, and that means waiting until we have more information about this new procedure.  We do not mean to imply that SMILE is not safe or effective – simply, in our view, based upon the relative volume of experience in the medical community with LASIK over a greater number of years as compared to SMILE, we are more confident in offering LASIK than SMILE.

If you are interested in learning more about SMILE, we encourage you to talk to your eye doctor. They can help you understand the risks and benefits of this new procedure and determine if it is right for you.

Sources:

American Academy of Ophthalmology. “SMILE vs. LASIK: Which Offers Better Early Visual Recovery?,” October 17, 2018. https://www.aao.org/education/editors-choice/smile-vs-lasik-which-offers-better-early-visual-re.

American Academy of Ophthalmology. “Changes in Corneal Sensitivity and Dry Eye Symptoms After SMILE vs. LASIK Surgery,” October 5, 2022. https://www.aao.org/eyenet/academy-live/detail/corneal-sensitivity-dry-eye-symptoms-smile-lasik.

Refractive Surgery Council. “What Is the LASIK Success Rate?,” August 16, 2022. https://americanrefractivesurgerycouncil.org/laser-eye-surgery-lasik-success-rate/#:~:text=The%20LASIK%20success%20rate%20%E2%80%93%20or,achieve%2020%2F20%20or%20better.

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