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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 95At 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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