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Topography-guided customized vs standard LASIK for correction of residual refractive error after penetrating keratoplasty

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Session Details

Session Title: Refractive
Session Date/Time: Sunday 28/02/2016 | 08:30-11:00
Paper Time: 08:36
Venue: Skalkotas
First Author: : A.Doga RUSSIA
Co Author(s): :    A. Karimova   I. Mushkova   Y. Kishkin        

Abstract Details


to compare the outcomes of the topography-guided LASIK and standard LASIK methods in the treatment of induced refractive errors following penetrating keratoplasty (PKP)


The S. Fyodorov Eye Microsurgery State Institution, Russia


we observed 34 eyes (34 patients) with residual ametropy after the PKP, out of which 16 eyes were operated by the topography-guided customized LASIK technology – group I, 18 eyes by the standard LASIK technology – group II. The uncorrected (UDVA) and corrected (CDVA) visual acuities manifest refraction, keratotopography and the anterior segment tomography were recorded before and after LASIK


after the keratorefractive surgery the mean cylindrical component decreased in the group I from 6.87±1.64 D to 0.82±0.97 D, in the group II from 6.23±2.7 D to 2.36±1.68 D. Postoperatively the surface regularity index (SRI) decreased from 1.34±0.22 to 0.72±0.11 after the topography-guided LASIK and from 1.25±0.37 to 1.08±0.15 after the standard LASIK (р<0.05). UDVA compared with preoperative values significantly increased in the group I from 0.04±0.02 to 0.51±0.22, in the group II from 0.05±0.08 to 0.31±0.25. The postoperatively UDVA was higher than the preoperatively CDVA in all cases after the topography-guided LASIK


The topography-guided LASIK is more effective and predictable procedure compared with standard LASIK in the treatment of induced refractive errors after the PKP

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