NDLI: A flexible model to calculate the ablation profile in transition zone for excimer laser refractive surgery

Content Provider	IEEE Xplore Digital Library
Author	Ye Han Yang Xiang-Jie Yi Guang-Bin
Copyright Year	2009
Description	Author affiliation: School of Mechatronics Engineering, NanChang University, China (Ye Han; Yang Xiang-Jie; Yi Guang-Bin)
Abstract	The ablation profile in transition zone for laser refractive surgery was calculated in a series of steps. First, the proper optical region shape is determined either by Munnerlyn equations or wavefront techniques. Second, a blend region may optionally be applied. The area of the ablation zone is equal to a maximum possible pupil size of the eye. Third, the depth of the ablation shape at the outer edge of the optical region is calculated. The blend zone may have an optical power that diminishes as a nonlinear function of increasing radius, the blend zone terminating at an ablation zone edge. The model is particularly useful for enhancing the accuracy and efficacy of laser eye surgical procedures and providing enhanced refractive procedures by improving the methodology for deriving a corneal ablation profile.
Starting Page	5
Ending Page	8
File Size	5553442
Page Count	4
File Format	PDF
ISBN	9781424446902
DOI	10.1109/FBIE.2009.5405807
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biomedical optical imaging Cornea Shape ablation profile Laser ablation Laser transitions optical zone Laser surgery Laser modes Optical refraction Nonlinear optics Vision defects laser cornea surgery transition zone
Content Type	Text
Resource Type	Article

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