Results 1 to 10 of about 8,468 (118)
Diurnal Variations in Anterior and Posterior Corneal Thickness and Curvature in Healthy Eyes: Global and Sector-Based Metrics and Lifestyle Associations [PDF]
LifeThis study aims to characterize diurnal changes in corneal geometry of the anterior and posterior cornea in healthy eyes using global and sector-based metrics, and to explore their associations with lifestyle-related factors.
Laura Barberán-Bernardos +3 more
doaj +2 more sources
Comparison of keratometry assessment between IOLMaster and Pentacam in dry eyes
Photodiagnosis and Photodynamic TherapyBackground: To compare the keratometry measurements between IOLMaster and Pentacam in dry eyes. Methods: A total of 122 eyes of 95 age-related cataract patients with dry eye disease were enrolled in this study. Keratometry measurements including flat and
Xijuan Wang, Jiayin Qin
exaly +3 more sources
Comparative Analysis of Corneal Parameters Performed with GalileiG6 and OCT Casia 2
Diagnostics, 2023 Backgrounds: To compare keratometry (Ks and Kf), astigmatism (Ast.), and the astigmatism axes (Ax.) of the posterior surface of the cornea; the total, central cornea thickness (CCT); and the thinnest corneal thickness (TCT) measured using two different ...
Robert Mazur +3 more
doaj +1 more source
Scientific Reports, 2021 We aimed to compare refractive outcomes between total keratometry using a swept-source optical biometer and conventional keratometry in cataract surgery with refractive multifocal intraocular lens (IOL) implantation.
Ho Seok Chung +5 more
doaj +1 more source
BMC Ophthalmology, 2021 Background Our aim was to determine associations of pachymetry, keratometry, and their changes with haze formation and corneal flattening after collagen cross-linking, and to analyse the relationship between postoperative haze and visual outcome. Methods
Anita Csorba +6 more
doaj +1 more source
Selection of keratometric data for the IOL toricity calculation
Офтальмохирургия, 2023 Purpose. To elaborate the customized principle of determining the actual zone of the corneal astigmatism based on keratotopographic data and compare the accuracy of calculating the toric IOL according to the actual zone and conventional keratometry ...
S.V. Shukhaev
doaj +1 more source
Indian Journal of Ophthalmology, 2023 Purpose: To estimate the postoperative astigmatism after small-incision cataract surgery (SICS) done by junior residents at the end of 1 and 3 months. Methods: This observational longitudinal study was conducted at the Department of Ophthalmology of a ...
Uttkarsha D Thakre +2 more
doaj +1 more source
Error induced by the estimation of the corneal power and the effective lens position with a rotationally asymmetric refractive multifocal intraocular lens [PDF]
International Journal of Ophthalmology, 2015 AIM:To evaluate the prediction error in intraocular lens (IOL) power calculation for a rotationally asymmetric refractive multifocal IOL and the impact on this error of the optimization of the keratometric estimation of the corneal power and the ...
David P. Piñero +4 more
doaj +1 more source
Accuracy of biometry using automated and manual keratometry for intraocular lens power calculation
Taiwan Journal of Ophthalmology, 2018 INTRODUCTION: A comparison of precision of intraocular implant power calculation by computing keratometry values by two different methods, namely, the automated and manual keratometry (MK), was done.
Lubna Khan +3 more
doaj +1 more source
Accelerated versus Standard Corneal Cross-linking for Progressive Keratoconus in Syria
Journal of Ophthalmic & Vision Research, 2021 Purpose: To compare the outcomes of accelerated versus standard corneal cross-linking for the treatment of progressive keratoconus. Methods: In this retrospective comparative study, 63 eyes of 40 patients with progressive keratoconus were divided into ...
Abdelrahman M Salman +4 more
doaj +1 more source