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PTK for corneal haze after PRK in femto-DALK

Poster Details

First Author: A.Balestrazzi ITALY

Co Author(s):    E. Balestrazzi   P. Michieletto                 

Abstract Details


To describe a clinical case of surgical resolution of severe corneal Haze after PRK in FEMTODALK




A 16 years old patient with keratoconus, was submitted to PRK in another hospital . Due to intolerance to contact lenses was submitted in 2007 to FEMTODALK with IntraLase with final PTK and,12 months after, to PRK for the correction of the refractive defect . In 2011 he had an unsatisfactory visual acuity with BCVA 20/50 with -9 sph =-2.50 axis 90 and a severe central grade 3 haze. In Nov.2011 we performed PTK with VISX and Mitomycin C 0.02% application at the end of the procedure. We suggested fluorometholone and hyaluronic acid drops for 6 months after the surgery


After 1 month the cornea was more clear , UCVA was 20/100 and BCVA 20/40 with -0.50 = -3.50 axis 70. After three months there were slight traces of haze in the lower cornea and the BCVA was 20/40 with -1.75 sphere = -4 axis 95 At 6 months the visual acuity was unchanged with traces of haze. At 1 ,2 and 3 year BCVA was 20/25 with -1.75 = -4 x 95. At the last check ,5 years after surgery , BCVA was almost 20/20 with the same correction. From 1 year after surgery the cornea has remained clear.


In case of severe haze ,even after keratoplasty , is always advisable to perform a PTK before repeating corneal transplantation.

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