Clinical review of retreatment after PRK,LASEK or LASIK for myopia Akihiro Yasuda 1 , Shunsuke Kogure 1 , Tatsuo Yamaguchi 1 1Dept of Ophthalmol,St.Luke's Internat Hosp pp.1903-1908
Published Date 2004/10/15
DOI https://doi.org/10.11477/mf.1410100757
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 We reviewed 180 eyes that received photorefractive surgery and that could be followed up for one year or longer. Retreatment for residual refractive error was performed on 25 eyes(13.9%). They comprised 6 out of 55 eyes after PRK(11%),1 out of 26 eyes after LASEK(4%),and 18 out of 99 eyes after LASIK(18%). Retreatment was performed after an average of 10.8,7.0 and 5.0months respectively. Following features were identified as risk factors for retreatment:higher initial corrections in PRK and LASIK,advanced age in LASIK,and haze formation in PRK and LASEK. Cases after LASIK received retreatment within one year for early regression. Regression developed gradually later than 6months after PRK. One-half of cases received retreatment more than 1 year after initial PRK.

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