Results 1 to 10 of about 35,254 (280)

Keratoconus enlargement as a predictor of keratoconus progression [PDF]

open access: yesScientific Reports, 2021
Numerous approaches have been designated to document progression in keratoconus, nevertheless there is no consistent or clear definition of ectasia progression.
Ana Maria Cunha   +6 more
doaj   +3 more sources

Different keratoconus definitions can lead to substantial prevalence disparities in population-based studies [PDF]

open access: yesScientific Reports
This report explores the prevalence of keratoconus in a population-based cohort of adults aged 40 or older according to ten different definitions. All Rotterdam Study participants with reliable Pentacam scans and no prior corneal refractive surgery were ...
Hasan Shabani   +5 more
doaj   +2 more sources

New Keratoconus Risk Factors: A Cross-Sectional Case—Control Study

open access: yesJournal of Ophthalmology, 2022
Purpose. To evaluate risk factors associated with keratoconus in a monocentric cross-sectional case-control study. Methods. This observational study occurred from June 2019 to February 2021 in a university hospital (France).
Eloi Debourdeau   +8 more
doaj   +1 more source

Contrast sensitivity and higher-order aberrations in Keratoconus subjects

open access: yesScientific Reports, 2021
This study analyzes the relationship between contrast-sensitivity and higher-order aberrations (HOA) in mild and subclinical-keratoconus in subjects with good visual-acuity (VA).
Einat Shneor   +2 more
doaj   +1 more source

Anterior segment characteristics in normal and keratoconus eyes evaluated with a new type of swept-source optical coherence tomography.

open access: yesPLoS ONE, 2022
PurposeThis study aimed to evaluate and compare the discriminating ability of corneal elevation maps generated using a swept-source optical coherence tomography (SS-OCT) (SS-OCT ANTERION, Heidelberg Engineering, Heidelberg, Germany), which was estimated ...
Kook Young Kim   +3 more
doaj   +1 more source

The correlation between keratoconus and eye rubbing: a review [PDF]

open access: yesInternational Journal of Ophthalmology, 2019
Keratoconus is a non-inflammatory disorder which is gradual in development; corneal thinning and ectatic protrusion characterizes it. Keratoconus prevalence varies between different regions depending on several factors that affecting its prevalence ...
Hatim Najmi   +6 more
doaj   +1 more source

In-vivo corneal biomechanical analysis of unilateral keratoconus [PDF]

open access: yesInternational Journal of Ophthalmology, 2015
AIM: To evaluate and compare corneal biomechanical findings measured by ocular response analyzer, topographic and pachymetric findings in patients with unilateral keratoconus patients and healthy controls. METHODS: This is an observational, case-control
Orhan Ayar   +5 more
doaj   +1 more source

Single-cell atlas of keratoconus corneas revealed aberrant transcriptional signatures and implicated mechanical stretch as a trigger for keratoconus pathogenesis

open access: yesCell Discovery, 2022
Keratoconus is a common ectatic corneal disorder in adolescents and young adults that can lead to progressive visual impairment or even legal blindness. Despite the high prevalence, its etiology is not fully understood. In this study, we performed single-
Shengqian Dou   +13 more
doaj   +1 more source

Prevalence and risk factors of keratoconus (including oxidative stress biomarkers) in a cohort study of Shiraz university of medical science employees in Iran

open access: yesBMC Ophthalmology, 2023
Background To determine the prevalence of keratoconus in Shiraz University of Medical Sciences Employees and the related risk factors including oxidative stress biomarkers. Methods 2546 subjects’ mean age ± SD, 40.35 ± 6.70 (46% male) were recruited. All
Sahar Mohaghegh   +7 more
doaj   +1 more source

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