Results 1 to 10 of about 44,132 (307)

Prevalence of Refractive Error and Associated Risk Factors in School-Age Children in Nepal: A Cross-sectional Study

open access: diamondJournal of Lumbini Medical College, 2021
Introduction: The most common visual disorder in school age children is refractive error globally. The present study aimed to know the prevalence of refractive errors and explore the factors associated with the refractive error in school-age children in ...
Keshav Raj Bhandari   +3 more
doaj   +2 more sources

Uncorrected refractive errors

open access: yesIndian Journal of Ophthalmology, 2012
Global estimates indicate that more than 2.3 billion people in the world suffer from poor vision due to refractive error; of which 670 million people are considered visually impaired because they do not have access to corrective treatment.
Kovin S Naidoo, Jyoti Jaggernath
doaj   +3 more sources

Refractive error blindness

open access: yesBulletin of the World Health Organization, 2001
Recent data suggest that a large number of people are blind in different parts of the world due to high refractive error because they are not using appropriate refractive correction.
Dandona Rakhi, Dandona Lalit
doaj   +2 more sources

Agreement of Ocular Biometry Measured by LenStar LS 900 and CASIA2 Optical Coherence Tomography [PDF]

open access: yesReviews in Clinical Medicine, 2021
Introduction:The present study aimed to compare the anterior segment measurements between optical low-coherence reflectometry (LenStar LS900) and anterior segment optical coherence tomography (CASIA2 OCT). Methods:A total of 198 right eyes of 198 healthy
Maliheh Karimpour   +4 more
doaj   +1 more source

Refractive errors [PDF]

open access: yesDeutsches Ärzteblatt international, 2016
All over the world, refractive errors are among the most frequently occuring treatable distur - bances of visual function. Ametropias have a prevalence of nearly 70% among adults in Germany and are thus of great epidemiologic and socio-economic relevance.In the light of their own clinical experience, the authors review pertinent articles retrieved by a
Ulrich, Schiefer   +4 more
openaire   +3 more sources

Comprehensive evaluation of dehydration impact on ocular tissue during Ramadan fasting [PDF]

open access: yesJournal of Fasting and Health, 2015
Purpose: The present study aimed to review the effect of dehydration during Ramadan fasting on the health and ocular parameters leading to changes in eye function.
Javad Heravian   +6 more
doaj   +3 more sources

Ocular changes in premature infants [PDF]

open access: yesReviews in Clinical Medicine, 2017
Introduction: This article aimed to review the literatures on visual impairments and ocular changes in premature infants with low birth weight and gestational age.Methods: Five electronic databases including: PubMed, Web of Science, Science direct, Ovid,
Negareh Yazdani   +6 more
doaj   +1 more source

The Correlation between Glucose and Lipid Biomarkers Variations with biometric characteristics and Intraocular Pressure Changes during Ramadan Fasting [PDF]

open access: yesJournal of Fasting and Health, 2018
Introduction: The aim of present study was to assess the correlation between glucose and lipid biomarkers variations with biometric characteristics and intraocular pressure changes following Ramadan fasting.
Mohammad Reza Sedaghat   +4 more
doaj   +1 more source

Effect of Phacoemulsification on Macular Thickness and Volume in Diabetic Patients without Retinopathy [PDF]

open access: yesReviews in Clinical Medicine, 2020
Introduction: This study aimed to investigate the effect of phacoemulsification on macular thickness and volume in diabetic patients without retinopathy using optical coherence tomography (OCT).Methods: This prospective study included 37 diabetics and 55
Zahra Ameri Golestan   +6 more
doaj   +1 more source

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

Home - About - Disclaimer - Privacy