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refractive surgery
(redirected from Refraction operation)

   Also found in: Wikipedia 0.01 sec.
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.

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.


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