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   PRK (PhotoRefractive Keratectomy)

   Refractive Surgery Treatment for:

   · Nearsightedness (Myopia)
   · Farsightedness (Hyperopia)
   · Astigmatism
   · Presbyopia (Monovision)

   PRK (PhotoRefractive Keratectomy) involves reshaping the curvature of the cornea with    an excimer laser to correct nearsightedness or farsightedness with or without    astigmatism. PRK was the first procedure approved by the FDA in 1996. It is performed    by removing the surface layer of the cornea (epithelium is the “skin” of the eye) and    applying the laser directly to the layers beneath the surface. It is essentially LASIK    without the creation of a LASIK flap. PRK generally produces results similar to LASIK    but the patient usually experiences more discomfort and has a slower recovery of vision    than in LASIK as it takes several days for the epithelium to grow back. PRK has been    approved by the FDA to correct nearsightedness (Myopia), farsightedness (Hyperopia),    astigmatism (either combined with nearsightedness or farsightedness). Monovision is    also an option with PRK, for either nearsighted, farsighted or astigmatic eyes as well    as with Presbyopia, although Monovision PRK represents an "Off Label Use" of the    laser, since it is not FDA-approved.


 

   
 


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