Results 11 to 20 of about 60,803 (278)

Predicting Residual Astigmatism in Cataract Surgery

open access: yesVision, 2022
The purpose of this review is to evaluate the prediction of postoperative residual astigmatism and to determine the best prediction method for astigmatism correction.
Atsushi Kawahara
doaj   +1 more source

Managing low corneal astigmatism in patients with presbyopia correcting intraocular lenses: a narrative review

open access: yesBMC Ophthalmology, 2023
Cataract surgery has become a refractive procedure in which emmetropia is the goal, with the implantation of extended depth-of-focus or multifocal intraocular lenses (IOLs) being the commonly selected option to restore vision beyond the far distance. The
C. Rocha-de-lossada   +4 more
semanticscholar   +1 more source

Correlation between ocular residual astigmatism and anterior corneal astigmatism in children with low and moderate myopia

open access: yesBMC Ophthalmology, 2022
Background To assess the correlation between ocular residual astigmatism and anterior corneal astigmatism in children with low and moderate myopia. Methods Refractive astigmatism was determined by subjective manifest refraction.
Jian Lin   +3 more
doaj   +1 more source

Symmetrical femtosecond laser arc incision in correcting corneal astigmatism in cataract patients [PDF]

open access: yesInternational Journal of Ophthalmology, 2023
AIM: To evaluate the effect of symmetrical arc incision correcting corneal astigmatism in femtosecond laser-assisted phacoemulsification (FLACS). METHODS: This study enrolled patients with cataract combined with regular corneal astigmatism of >0.75 D ...
Zun-Xia Hu   +10 more
doaj   +1 more source

Functional Optical Zone and Visual Quality After Small-Incision Lenticule Extraction for High Myopic Astigmatism

open access: yesOphthalmology and Therapy, 2021
The aim of this study was to compare the functional optical zone (FOZ) after correction of high myopic astigmatism and low myopic astigmatism by small-incision lenticule extraction (SMILE).
Xuan Ding   +4 more
semanticscholar   +1 more source

Comparative Analysis of Tolerance to Experimentally Induced Astigmatism with Three Types of Multifocal Intraocular Lenses

open access: goldClinical Ophthalmology
John So Min Chang,1 Sylvia Chui Ting Liu,1 Nadine Tsz Ching Ma,1 Jack Chun Man Ng2 1Department of Ophthalmology, Hong Kong Sanatorium & Hospital, Hong Kong; 2Department of Ophthalmology, Grantham Hospital, Hong KongCorrespondence: John So Min Chang ...
Chang JSM, Liu SCT, Ma NTC, Ng JCM
doaj   +3 more sources

Comparison of Automated Keratometer and Scheimpflug Tomography for Predicting Refractive Astigmatism in Pseudophakic Eyes

open access: yesDiagnostics, 2023
Purpose: To analyse the correspondence between refractive astigmatism and corneal astigmatism in pseudophakic eyes with non-toric intraocular lenses. Setting: Yeouido St. Mary hospital, Seoul, Republic of Korea.
Kyung-Sun Na   +3 more
doaj   +1 more source

Posterior Corneal Characteristics of Cataract Patients with High Myopia. [PDF]

open access: yesPLoS ONE, 2016
PURPOSE:To evaluate the characteristics of the posterior corneal surface in patients with high myopia before cataract surgery. METHODS:We performed a cross-sectional study at the Eye and ENT Hospital of Fudan University, Shanghai, China.
Qinghe Jing   +4 more
doaj   +1 more source

The contribution of ocular residual astigmatism to anterior corneal astigmatism in refractive astigmatism eyes

open access: yesScientific Reports, 2021
To determine the distribution of ocular residual astigmatism (ORA) in astigmatic eyes and the influence on the anterior corneal (ACA) and refractive astigmatism (RA). A total of 165 children met the inclusion criteria.
Jian Lin
semanticscholar   +1 more source

Impact of corneal astigmatism on refractive outcomes after phacoemulsification with implantation of a spherical IOL

open access: yesJournal of Ophthalmology, 2021
Background: To date, particular emphasis is being put to correction of preoperative corneal astigmatism in phacoemulsification, since approximately 30% of the world’s population has astigmatism of at least 0.75D which results in decreased visual acuity ...
N. G. Zavgorodnia, V. Iu. Novikova
doaj   +1 more source

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