Pinhole pupilloplasty: Small-aperture optics for higher-order corneal aberrations
نویسندگان
چکیده
منابع مشابه
Accommodation with higher-order monochromatic aberrations corrected with adaptive optics.
Higher-order monochromatic aberrations in the human eye cause a difference in the appearance of stimuli at distances nearer and farther from best focus that could serve as a signed error signal for accommodation. We explored whether higher-order monochromatic aberrations affect the accommodative response to 0.5 D step changes in vergence in experiments in which these aberrations were either pre...
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PURPOSE This study reports the characteristics of corneal higher order aberrations (HOAs) in eyes with normal topographic pattern using the Pentacam scheimpflug system. METHODS In this prospective, observational, comparative study, 165 eyes of 97 patients separated into five groups based on corneal topographic patterns were enrolled. All eyes received a comprehensive ophthalmologic examinatio...
متن کاملHigher-order aberrations after corneal collagen crosslinking for keratoconus and corneal ectasia.
PURPOSE To determine changes in higher-order aberrations (HOAs) after corneal collagen crosslinking (CXL). SETTING Cornea and refractive surgery practice. DESIGN Prospective randomized controlled clinical trial. METHODS Corneal and ocular HOAs were measured and analyzed using the Pentacam device and Ladarwave aberrometer, respectively, at baseline and 12 months after CXL. RESULTS Ninety...
متن کاملCorneal Higher Order Aberrations in Granular, Lattice and Macular Corneal Dystrophies
PURPOSE To evaluate the corneal higher-order aberrations (HOAs) in granular, lattice and macular corneal dystrophies. METHODS This retrospective study includes consecutive patients who were diagnosed as granular corneal dystrophy type2 (GCD2; 121 eyes), lattice corneal dystrophies type 1, type 3A (LCDI; 20 eyes, LCDIIIA; 32 eyes) and macular corneal dystrophies (MCD; 13 eyes), and 18 healthy ...
متن کاملcorrelation between refractive, corneal and lenticular astigmatisms and higher order aberrations in refractive surgery candidates
purpose: to evaluate the correlation between refractive, corneal and lenticular astigmatism and higher order aberrations (hoa) in refractive surgery candidates methods: this cross-sectional descriptive-analytical study consisted of 400 eyes (200 patients) who were referred between 2011 to 2013 to farabi eye hospital for refractive surgery. refraction, topography and aberrometry were performed t...
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ژورنال
عنوان ژورنال: Journal of Cataract and Refractive Surgery
سال: 2019
ISSN: 0886-3350
DOI: 10.1016/j.jcrs.2018.12.007