Results 11 to 20 of about 3,616,800 (230)

Refractive Errors & Refractive Surgery Preferred Practice Pattern® [PDF]

open access: yesOphthalmology, 2018
Roy S, Chuck   +6 more
openaire   +3 more sources

Changes in forward light scatter parameters as a function of refractive error in young adults [PDF]

open access: yes, 2020
Background/aims Some aspects of visual performance worsen with increasing myopia. Whilst the underlying causes are not always clear, reduction in retinal image quality is often attributed to structural changes in the posterior myopic eye.
Barbur, J., Nagra, M., Patel, M.
core   +2 more sources

Evaluation of visual functions in Iranian hypothyroid adults

open access: yesEndocrinology, Diabetes & Metabolism, 2023
Introduction The aim of this study was to investigate the effects of hypothyroidism on visual functions such as visual acuity, refractive errors, colour vision, and contrast sensitivity, among hypothyroid adults.
Somayyeh Boomi Quchan Atigh   +5 more
doaj   +1 more source

Ocular Refraction at Birth and Its Development During the First Year of Life in a Large Cohort of Babies in a Single Center in Northern Italy [PDF]

open access: yes, 2020
The purpose of this study was to investigate refraction at birth and during the first year of life in a large cohort of babies born in a single center in Northern Italy.
Bartollino S.   +7 more
core   +1 more source

A retinoscopic survey of 333 horses and ponies in the UK [PDF]

open access: yes, 2014
Introduction: Ophthalmic examination in the horse is generally limited to crude assessment of vision and screening for ocular lesions. The refractive state of equine eyes and the potential impact on vision and performance requires further ...
Chung   +38 more
core   +1 more source

Origins of Refractive Errors: Environmental and Genetic Factors.

open access: yesAnnual Review of Vision Science, 2019
Refractive errors are the product of a mismatch between the axial length of the eye and its optical power, creating blurred vision. Uncorrected refractive errors are the second leading cause of worldwide blindness.
Elise N. Harb, C. Wildsoet
semanticscholar   +1 more source

Global and regional estimates of prevalence of refractive errors: Systematic review and meta-analysis

open access: yesJournal of Current Ophthalmology, 2017
Purpose The aim of the study was a systematic review of refractive errors across the world according to the WHO regions. Methods To extract articles on the prevalence of refractive errors for this meta-analysis, international databases were searched from
H. Hashemi   +5 more
semanticscholar   +1 more source

Part-time versus full-time occlusion therapy for treatment of amblyopia: A meta-analysis

open access: yesJournal of Current Ophthalmology, 2017
Purpose: To compare full-time occlusion (FTO) and part-time occlusion (PTO) therapy in the treatment of amblyopia, with the secondary aim of evaluating the minimum number of hours of part-time patching required for maximal effect from occlusion. Methods:
Negareh Yazdani   +5 more
doaj   +1 more source

Prevalence of refractive errors, uncorrected refractive error, and presbyopia in adults in India: A systematic review

open access: yesIndian Journal of Ophthalmology, 2019
Purpose: The objective of this review is to estimate the prevalence of refractive errors, uncorrected refractive error (URE), and uncorrected presbyopia in adults aged ≥30 years in India.
S. Sheeladevi   +5 more
semanticscholar   +1 more source

Effect of Dry Eye Disease on Central Corneal Thickness and Corneal Topometric Indices Measured by Scheimpflug Tomography

open access: yesActa Medica Iranica, 2023
To evaluate the effect of dry eye disease (DED) on the central corneal thickness and anterior corneal surface irregularity parameters using Scheimpflug tomography.
Masoud Siyahkamari   +8 more
doaj   +1 more source

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