Q: What is SMILE in the vision industry?
A: SMILE (Small Incision Lenticule Extraction) is a minimally invasive laser eye surgery that corrects refractive vision issues like myopia (nearsightedness) and astigmatism. It offers a modern alternative to LASIK and PRK, providing faster recovery and less discomfort for patients. SMILE is a safe, effective, and precise option for people seeking long-term freedom from glasses or contact lenses, with fewer complications than traditional methods.
Q: How does SMILE work?
A: SMILE uses a femtosecond laser to create a small, lens-shaped piece of tissue (lenticule) inside the cornea. A tiny incision, usually less than 4 mm, is made to remove the lenticule. This reshapes the cornea, improving how light focuses on the retina and enhancing vision.
Q: What vision problems can SMILE treat?
A: SMILE is effective for treating mild to moderate myopia (up to -10 diopters) and astigmatism (up to 3 diopters). It is not typically used for hyperopia (farsightedness) or other complex refractive errors.
Q: What are the benefits of SMILE compared to LASIK?
A: SMILE offers several benefits, including:
- A smaller incision, preserving more of the cornea’s structure.
- Faster recovery time with less post-operative discomfort.
- Lower risk of dry eye syndrome due to minimal nerve disruption.
- SMILE is flap-less and therefore a safer option for those who qualify.
Q: Who is an ideal candidate for SMILE?
A: Candidates for SMILE should:
- Be 18 or older with stable vision for at least a year.
- Have mild to moderate myopia or astigmatism.
- Be free from eye conditions such as cataracts, severe dry eye, or keratoconus.
Q: How long does the SMILE procedure take?
A: The procedure typically takes about 10–15 minutes for both eyes, with the actual laser application lasting less than 30 seconds.
Q: How does recovery from SMILE compare to LASIK?
A: Recovery from SMILE is generally faster and more comfortable than LASIK. Most patients experience improved vision within a day or two and can resume normal activities sooner.
Q: Are there risks or side effects with SMILE?
A: As with any surgery, risks exist but are minimal. Possible side effects include temporary dry eye, glare, or halos around lights. These usually resolve within a few weeks.
Jerry G. Hu, M.D.
Texas Eye and Laser Center
1872 Norwood DriveHurst 76054
817.540.6060
3405 Locke Ave., Suite 100
Fort Worth 76107
817.540.6060
