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BACKGROUND 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 ...
U. Schiefer+4 more
semanticscholar +4 more sources
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
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 +4 more sources
Agreement of Ocular Biometry Measured by LenStar LS 900 and CASIA2 Optical Coherence Tomography [PDF]
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
Comprehensive evaluation of dehydration impact on ocular tissue during Ramadan fasting [PDF]
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]
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]
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
Calculating the error in refractive error [PDF]
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 B Ellingham+3 more
openaire +3 more sources
Effect of Phacoemulsification on Macular Thickness and Volume in Diabetic Patients without Retinopathy [PDF]
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
Prevalence of refractive errors in Iranian university students in Kazerun [PDF]
Purpose: To determine the prevalence of refractive errors and visual impairment and the correlation between personal characteristics, including age, sex, weight, and height, with different types of refractive errors in a population of university students
Ali, B.+7 more
core +1 more source