refractive surgery

(redirected from Refraction operation)
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Related to Refraction operation: refractive index, Refractive error

refractive surgery

Ophthalmology Any technique that corrects myopia by changing the cornea's conformation Types Radial keratectomy–incisions are made at the periphery of the cornea, flattening and weakening it; photoreactive keratectomy–cornea is photoshaved with a laser in concentric circles, which imparts homogenous consistency. See PhotoRadial keratectomy.

refractive surgery

An operation to improve the ability of the eye to focus and thus to eliminate the patient's need for eyeglasses. Examples include keratoplasty and keratomilleusis.
See also: surgery

Refractive surgery

A surgical procedure that corrects visual defects.

refractive surgery 

Surgical procedure aimed at correcting ametropia. Most procedures are performed on the cornea, but some involve either an intraocular lens implant, or more rarely crystalline lens extraction. See epikeratoplasty; Intacs; keratomileusis; keratophakia; photorefractive keratectomy; LASIK; LASEK.