LASIK (Laser-Assisted in Situ Keratomileusis) is a popular surgical procedure used to correct refractive errors in the eye, such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. It's one of the most commonly performed elective surgeries worldwide and has helped millions of people reduce or eliminate their dependence on glasses or contact lenses.
Corneal flap creation: The surgeon creates a thin, hinged flap on the surface of the cornea using a specialized instrument called a microkeratome or a femtosecond laser. This flap is then lifted to expose the underlying corneal tissue.
Reshaping of the cornea: Using an excimer laser, the surgeon precisely reshapes the exposed corneal tissue to correct the refractive error. For nearsightedness, the cornea is flattened; for farsightedness, it's steepened; and for astigmatism, it's smoothed.
Flap repositioning: After the cornea has been reshaped, the corneal flap is carefully repositioned onto the treated area, where it adheres naturally without the need for stitches.
LASIK is typically performed as an outpatient procedure and is relatively quick, usually taking less than 30 minutes for both eyes. It's performed under local anesthesia (eyedrops) to minimize discomfort.
Rapid visual recovery: Many patients experience improved vision within hours to days after the procedure.
Reduced dependence on glasses or contact lenses: LASIK can significantly reduce or eliminate the need for corrective eyewear in many cases.
Long-term stability: The results of LASIK are generally stable over time, with most patients experiencing lasting vision correction.
However, LASIK may not be suitable for everyone. Factors such as corneal thickness, refractive stability, and the presence of certain eye conditions may affect candidacy. It's essential to undergo a comprehensive eye examination and consultation with an experienced eye surgeon to determine if LASIK is the right option for you.
While LASIK is considered safe and effective for the majority of patients, like any surgical procedure, it carries potential risks and complications, including dry eyes, glare, halos, overcorrection, undercorrection, and, rarely, vision loss. Discussing these risks and benefits with your eye care provider is crucial in making an informed decision about LASIK surgery.