Results 1 to 10 of about 46,260 (296)
Uncorrected refractive errors [PDF]
Indian 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 +4 more sources
Refractive errors among medical students in Jordan: prevalence, types and possible risk factors
Future Science OA, 2023 Aim: This study aims to determine the prevalence of refractive errors among medical students in Jordan. Materials & methods: Cross-sectional model through an online questionnaire was conducted.
Asem A Alqudah +2 more
doaj +3 more sources
Cogent Medicine, 2020 Refractive errors lead to visual impairment if they are uncorrected. The prevalence of uncorrected refractive errors in children is considerably high, even though they can be easily corrected with spectacles.
Aldiana Halim +6 more
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Bulletin 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]
Reviews 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
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Comprehensive evaluation of dehydration impact on ocular tissue during Ramadan fasting [PDF]
Journal 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]
Reviews 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
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Deutsches 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
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The Correlation between Glucose and Lipid Biomarkers Variations with biometric characteristics and Intraocular Pressure Changes during Ramadan Fasting [PDF]
Journal 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
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Calculating the error in refractive error [PDF]
Eye, 2011 To demonstrate a quick way of calculating the optical difference between two refractions using vector analysis, and to express this as a score for examination purposes.An existing formula is applied, converted to a defocus equivalent, and then converted to a score.
R H, Taylor +3 more
openaire +2 more sources