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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/32657

Title: Correction factor for ablation algorithms used in corneal refractive surgery with gaussian-profile beams
Authors: Jiménez Cuesta, José Ramón
González Anera, Rosario
Jiménez del Barco Jaldo, Luis Miguel
Hita Villaverde, Enrique
Pérez-Ocón, Francisco
Issue Date: 2005
Abstract: We provide a correction factor to be added in ablation algorithms when a Gaussian beam is used in photorefractive laser surgery. This factor, which quantifies the effect of pulse overlapping, depends on beam radius and spot size. We also deduce the expected post-surgical corneal radius and asphericity when considering this factor. Data on 141 eyes operated on LASIK (laser in situ keratomileusis) with a Gaussian profile show that the discrepancy between experimental and expected data on corneal power is significantly lower when using the correction factor. For an effective improvement of post-surgical visual quality, this factor should be applied in ablation algorithms that do not consider the effects of pulse overlapping with a Gaussian beam.
Sponsorship: This research was supported by the Ministerio de Ciencia y Tecnología, Spain (grant BFM2003-1492).
Publisher: Optical Society of America
Keywords: Ablation of tissue
URI: http://hdl.handle.net/10481/32657
ISSN: 1094-4087
Citation: Jiménez, J.R.; et al. Correction factor for ablation algorithms used in corneal refractive surgery with gaussian-profile beams. Optic Express, 13(1): 336-343 (2005). [http://hdl.handle.net/10481/32657]
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