Results of excimer-laser-performed photorefractive keratectomy operations

Istvan E. Ferincz; Imola Ratkay-Traub; Maria Dinnyes

doi:10.1117/12.324600

19 August 1998 Results of excimer-laser-performed photorefractive keratectomy operations

Istvan E. Ferincz, Imola Ratkay-Traub, Maria Dinnyes

Proceedings Volume 3573, OPTIKA '98: 5th Congress on Modern Optics; (1998) https://doi.org/10.1117/12.324600
Event: OPTIKA '98: Fifth Congress on Modern Optics, 1998, Budapest, Hungary

Abstract

We have performed excimer laser photorefractive keratectomy operations with a Schwind Keratom 2F to correct near- sightedness. 613 eyes of 348 patients were treated by this ablation method. We have selected 318 case, where the follow-up was at least 6 months long. The intended corrections were in the range of -1.75 D to -9.0 D for myopia. The optical zones were 5.5 and 6.0 mm. We present various results of the treatments: change of visual acuity, residual spherical refractive error, time valuation of healing, and ablation speed. We have found that the ablation speed of human cornea is depends on the age of patients. An equation is also presented to describe the relation between age and ablation speed.

Citation Download Citation

Istvan E. Ferincz, Imola Ratkay-Traub, and Maria Dinnyes "Results of excimer-laser-performed photorefractive keratectomy operations", Proc. SPIE 3573, OPTIKA '98: 5th Congress on Modern Optics, (19 August 1998); https://doi.org/10.1117/12.324600

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