Contrast to wavefront optimized and wavefront guided excimer laser photorefractive keratectomy
10.3760/cma.j.issn.2095-0160.2011.03.022
- VernacularTitle:波前优化和波前引导准分子激光角膜切削对比
- Author:
Yong-yan, LIU
- Publication Type:Journal Article
- Keywords:
Excimer laser photorefractive keratectomy;
Spherical aberration;
Wavefront guided;
Wavefront optimization;
Corneal eccentricity
- From:
Chinese Journal of Experimental Ophthalmology
2011;29(3):280-283
- CountryChina
- Language:Chinese
-
Abstract:
Conventional excimer laser keratectomy have been proved to achieve better visual function,but the traditional therapy of corneal spherical cutting line generally flat profile will make the cornea more oblate shape and the contours of the cornea and lcad to spherical aberration.The alteration of non.spherical nature cause the increase of corneal spherical aberration,which further affects the night vision and contrast sensitivity and other visual quality.Wavefront optimization based on total number of adjustments are to retain the previous visual aberrations of eyes and optimize the non-spherical nature of cornea to create a ideal model based on individual adjustments.Ocular wavefront-guided measurement and ablation in exeimer laser keratectomy can achieve better visual outcome.In this paper,wavefront guided and wavefront optimized treatment outcome for the spherical aberration correction are reviewed.
