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LASIK vs SMILE: What’s the Difference?

LASIK and SMILE are both laser vision correction procedures that can correct refractive errors reducing your dependence on glasses or contact lenses. 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 thin flap is created in the cornea, the clear front surface of the eye. A laser is then used to reshape the underlying corneal tissue, correcting refractive errors like nearsightedness, farsightedness, and astigmatism. The flap is then repositioned, and the eye heals naturally.

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.

Key Differences

  • Incision Size: LASIK involves a larger incision to create the corneal flap, while SMILE uses a much smaller incision.
  • Tissue Removal: LASIK removes tissue from the surface of the cornea, while SMILE removes tissue from beneath the surface.
  • Recovery Time: SMILE generally has a faster recovery time with less discomfort and dry eye symptoms compared to LASIK.

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.

Our Commitment to Patient Care

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.

While SMILE is a less invasive procedure than LASIK, it’s relatively new, and long-term data on its safety and effectiveness is limited. As such, we have opted to continue offering LASIK at this time, as it has a longer track record of success.

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.

How Safe Is LASIK?

Is LASIK Eye Surgery Safe?

LASIK eye surgery is a popular procedure that can correct vision problems such as nearsightedness, farsightedness, and astigmatism. In general, it is a safe procedure with a low complication rate, but it is important to weigh the risks and benefits before making a decision.

How Safe Is LASIK?

The safety of LASIK has been studied extensively. The complication rate for LASIK is estimated to be less than 1%. The most common complications are dry eyes and glare, which usually go away on their own within a few weeks or months. Other, more serious complications, such as infection and corneal ectasia, are rare.

LASIK Safety research

Who Is a Good Candidate for LASIK?

Not everyone is a good candidate for LASIK. You may not be a good candidate if you have:
  • Thin corneas
  • Active eye infections or inflammation
  • Dry eyes
  • Certain medical conditions, such as diabetes or glaucoma

What Are some of the Benefits of LASIK?

The benefits of LASIK include:
  • Improved vision
  • Reduce dependency on glasses or contact lenses
  • Improved quality of life

What Are some of the Risks of LASIK?

The risks of LASIK include:
  • Dry eyes
  • Glare
  • Night vision problems
  • Infection
  • Corneal ectasia (a thinning of the cornea that can lead to vision loss)

Should I Get LASIK Eye Surgery?

The decision of whether or not to get LASIK eye surgery is a personal one. You should weigh the risks and benefits carefully and discuss the procedure with your eye doctor.

If you are considering LASIK eye surgery, it is important to do your research and choose a qualified LASIK surgeon. You should also ask about the surgeon’s experience with LASIK and their number of procedures performed.

I hope this article has helped you learn more about the safety of LASIK eye surgery. Like any surgery, LASIK has risks and potential complications that are discussed during a surgical consultation prior to the procedure.  If you have any further questions, please consult with your eye doctor.


Sources:

Refractive Surgery Council. “Is LASIK Safe? What You Need to Know,” October 13, 2022. https://americanrefractivesurgerycouncil.org/is-lasik-safe/#:~:text=LASIK%20is%20one%20of%20the,of%20patients%20suffer%20complications%20LASIK.

Chung, AKK, and AK Brahma. “LASIK Eye Surgery: Standard and Safety Issues.” Clinical Risk 12, no. 2 (March 1, 2006): 70–73. https://doi.org/10.1258/135626206776072622.

LASIK: The pros and cons of surgery to sharpen your sight. (2002). Consumer Reports on Health, 14(3), 6.

Shtein, Roni M. “Post-LASIK Dry Eye.” Expert Review of Ophthalmology. Taylor & Francis, October 1, 2011. https://doi.org/10.1586/eop.11.56. 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.

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

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.

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