Results 1 to 10 of about 69,909 (261)

Refractive error among school children in Jhapa, Nepal

Journal of Optometry, 2011
Purpose: To evaluate the pattern of refractive errors among school children in Jhapa, Nepal. Methods: A cross-sectional study was designed to evaluate refractive status of 2236 school children in three government schools and a private school.
Gauri Shankar Shrestha, Digen Sujakhu, Purushottam Joshi   +2 more
doaj   +1 more source

ON ERRORS OF REFRACTION IN HYPERTHYROIDISM. [PDF]

The Lancet, 1922
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openaire   +2 more sources

Prevalence and distribution of uncorrected refractive error among school children in the Bongo District of Ghana

Cogent Medicine, 2021
To estimate the prevalence and distribution of uncorrected refractive error among school children in the Bongo District of Ghana. A descriptive cross-sectional study was conducted among 12–15-year-old children in eighteen public junior high schools in ...
Frederick A Asare, Priya Morjaria
doaj   +1 more source

Compact Models of Presbyopia Accommodative Errors for Wearable Adaptive-Optics Vision Correction Devices

IEEE Access, 2022
Subjective accommodation refractive error models are essential for implementing adaptive vision correction devices that utilize varifocal optics. This article describes compact empirical models of subjective accommodative refractive errors in subjects ...
Mohit U. Karkhanis, Aishwaryadev Banerjee, Chayanjit Ghosh, Rugved Likhite, Erfan Pourshaban, Hanseup Kim, David A. Meyer, Carlos H. Mastrangelo   +7 more
doaj   +1 more source

Stereoacuity Among Patients with Refractive Error at University of Gondar, Northwest Ethiopia

Clinical Optometry, 2021
Mikias Mered Tilahun, Mohammed Seid Hussen, Getasew Alemu Mersha, Biruk Lelisa Eticha Department of Optometry, School of Medicine, University of Gondar, Comprehensive Specialized Hospital, Gondar, EthiopiaCorrespondence: Getasew Alemu Mersha POB: 196 Tel
Tilahun MM, Hussen MS, Mersha GA, Eticha BL   +3 more
doaj  

Refractive errors among children, adolescents and adults attending eye clinics in Mexico [PDF]

International Journal of Ophthalmology, 2017
AIM: To assess the proportion of refractive errors in the Mexican population that visited primary care optometry clinics in fourteen states of Mexico. METHODS: Refractive data from 676 856 patients aged 6 to 90y were collected from optometry clinics in ...
Francisco Gomez-Salazar, Abraham Campos-Romero, Humberto Gomez-Campaña, Cinthia Cruz-Zamudio, Mariano Chaidez-Felix, Nidia Leon-Sicairos, Jorge Velazquez-Roman, Hector Flores-Villaseñor, Secundino Muro-Amador, Alma Marlene Guadron-Llanos, Javier J. Martinez-Garcia, Joel Murillo-Llanes, Jaime Sanchez-Cuen, Alejando Llausas-Vargas, Gerardo Alapizco-Castro, Ana Irineo-Cabrales, Enrique Graue-Hernandez   +16 more
doaj   +1 more source

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. Refractive errors, if uncorrected, results in an impaired quality of life for millions of people worldwide ...
Kovin S Naidoo, Jyoti Jaggernath
openaire   +3 more sources

Management of Residual Refractive Error after Cataract Phacoemulsification. Part 1. Keratorefractive Approaches

Oftalʹmologiâ, 2017
The review presents an analysis of the literature data on the methods of surgical correction of residual refractive error after cataract phacoemulsification. Keratorefractive and intraocular approaches are considered in details.
K. B. Pershin, N. F. Pashinova, A. Iu. Tsygankov, E. P. Gurmizov, L. V. Batalina   +4 more
doaj   +1 more source

Prevalence of Refractive Error and Strabismus in Primary School Children of Tehsil Lakki Marwat, Khyber Pakhtunkhwa Pakistan

Journal of Gandhara Medical and Dental Sciences, 2020
OBJECTIVES: Refractive errors and strabismus continue to remain a significant public health problem. Among school children it has an impact on child development.
Faheem Ullah, Naheed Mahsood, Waqas Mohyuddin, Saadullah Afridi, Zia ur Rehman   +4 more
doaj   +1 more source

Prevalence and associated factors of refractive error among adults in South Ethiopia, a community-based cross-sectional study.

PLoS ONE
IntroductionThe increasing prevalence of refractive error has become a serious health issue that needs serious attention. However, there are few studies regarding the prevalence and associated factors of refractive error at the community level in ...
Marshet Gete Abebe, Abiy Maru Alemayehu, Minychil Bantihun Munaw, Mikias Mered Tilahun, Henok Biruk Alemayehu   +4 more
doaj   +1 more source