Know about LASIK

What is Lasik?

LASIK is an eye surgery performed for correction of refractive errors (myopia, astigmatism, hypermetropia etc. are refractive errors of eye) of the eye. The full form of LASIK is Laser-assisted in situ keratomileusis. Laser is used instead of commonly used surgical blade or surgical knife to perform Lasik eye surgery. Lasik is particularly effective in mild to moderate types of refractive errors and less effective in severe form of refractive errors. Lasik can give many patients freedom of wearing glasses or contact lenses.

How safe is Lasik?

Lasik is a safe procedure and have high satisfaction rate of 92-98% among the users of Lasik. But approximately 10% of the patients may require retreatment after undergoing Lasik eye surgery although these results are open to discussion.

What are the complications of Lasik?

Complications to Lasik  eye surgery may arise preoperatively, intraoperatively, early postoperative, or late postoperative. The complications, which are not common that may arise after undergoing Lasik eye surgery include dryness of eye, overcorrection or under correction of the refractive error, light/sun sensitivity, halos around the source of light at night, Lasik induced astigmatism, growth under flaps, debris may remain under flap after operation, diplopia or double vision, macular hole, posterior vitrious detachment etc.

Should you undergo Lasik surgery?

Lasik is a safe operative procedure and anyone can undergo Lasik eye surgery if there is no contraindication to it. Lasik carries much lesser risk of complication in compare to other eye surgeries (such as or PRK) done for correction of refractive errors of eye. With the introduction newer technologies in Lasik, the surgery is becoming safer with very few if any, complications.


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