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Corneal cross-linking and wavefront-based surface ablation (PRK) in patients with asymmetric corneal topography

Poster Details

First Author: M.Campos BRAZIL

Co Author(s):    J. Malta              

Abstract Details


To evaluate safety and efficacy of corneal crosslinking (CXL) and wavefront-based surface ablation (PRK) for refractive correction in patients with bilateral asymmetric topography


University-based refractive clinic


Prospective, randomized trial of 44 patients (88 eyes). Crosslinking with subsequent PRK after 6 months was performed in one eye (study group) and PRK alone was performed in contra lateral eyes (control group).


After two years of follow-up, a mean under correction of -0.50 DE was observed in both groups. Study group presented more pronounced transient corneal haze (P < .05), and none of the patients developed clinical, topographic or tomographic signs of corneal ectasia


Both groups achieved good outcomes with a low rate of complications.

Financial Disclosure:


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