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Refractive errors [PDF]

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, Christina, Kraus, Peter, Baumbach, Judith, Ungewiß, Ralf, Michels   +4 more
openaire   +3 more sources

Uncorrected refractive errors

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   +3 more sources

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

Journal 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, Deepak Bahadur Pachhai, Chet Raj Pant, Ashish Jamarkattel   +3 more
doaj   +2 more sources

Refractive error blindness

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, Nasrin Moghadas Sharif, Naser Shoeibi, Negareh Yazdani, Asieh Ehsaei   +4 more
doaj   +1 more source

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, Mohsen Nematy, Negare Yazdani, Abbas Azimi, Hadi Ostadimoghaddam, Abbasali Yekta, Seyed Hosein Hoseini-Yazdi   +6 more
doaj   +3 more sources

Prevalence of Migraine and Association between Migraine Headache and Refractive Errors among Adolescents in Secondary Schools in Ibadan, Nigeria. [PDF]

Niger Med J
Bitto S, Ogun OA.
europepmc   +3 more sources

Emmetropisation and the aetiology of refractive errors

Eye, 2014
D.I. Flitcroft
openalex   +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, Leyla Shahkarami, Javad Heravian Shandiz, Veda Vakili, Hadi Ostadimoghaddam, AbbasAli Yekta, Seyed Hosein Hoseini-Yazdi   +6 more
doaj   +1 more source

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, R B, Ellingham, S, Subramaniam, L A, Wakely   +3 more
openaire   +2 more sources