Relation of Corneal Astigmatism with Various Corneal Image Quality Parameters in a Large Cohort of Naïve Corneas

Omar Yousif, Mohamed; Elkitkat, Rania Serag; Abdelsadek Alaarag, Noha; Shams, Abdelrhman; Hesham Gharieb;

Abstract


To investigate the relationship between corneal astigmatism and corneal image quality parameters (i.e., root mean square [RMS] of some major corneal higher order aberrations [HOAs] "namely RMS of coma aberrations, RMS of trefoil aberrations, and RMS of spherical aberration [RMS-SA]" and Strehl ratio [SR] of point spread function [PSF]) by using the Sirius topographer (CSO Italia, Florence, Italy).


Other data

Title Relation of Corneal Astigmatism with Various Corneal Image Quality Parameters in a Large Cohort of Naïve Corneas
Authors Omar Yousif, Mohamed; Elkitkat, Rania Serag; Abdelsadek Alaarag, Noha; Shams, Abdelrhman; Hesham Gharieb 
Keywords higher order aberrations (HOAs);Sirius topographer;corneal astigmatism;corneal image quality;customized versus optimized laser corneal ablation
Issue Date 2020
Journal Clinical ophthalmology (Auckland, N.Z.) 
Volume 14
Start page 2203
End page 2210
ISSN 1177-5467
DOI 10.2147/OPTH.S264706
PubMed ID 32801631

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