Results 61 to 70 of about 186,716 (131)

Prevalence of refractive error among school-aged children in Sylhet division of Bangladesh

Discover Public Health
Background According to recent statistics from WHO, 150 million people globally have visual impairments caused by uncorrected refractive errors. This study aimed to estimate the prevalence rate of refractive error in Bangladesh's urban, rural, and ...
Enayet Hussain, Ava Hossain, Saidur Rahman Mashreky, Eija Viitasara, Koustuv Dalal   +4 more
doaj   +1 more source

The Association of Central corneal thickness with Intra-ocular Pressure and Refractive Error in a Nigerian Population [PDF]

, 2008
The purpose of this study was to determine the variation of central corneal thickness (CCT) with intraocular pressure (IOP) and spherical equivalent refractive error.
Iyamu, Eghosasere, Memeh, Misan
core   +1 more source

Prevelence and causes of visual impairment and blindness in older adults in an area of India with a high cataract surgical rate.

, 2010
BACKGROUND: The cataract surgical rate (CSR) in Gujarat, India is reported to be above 10,000 per million population. This study was conducted to investigate the prevalence and causes of vision impairment/blindness among older adults in a high CSR area ...
Ellwein, Leon B, John, Neena, Murthy, Gudlavalleti VS, Pokharel, Gopal, Vashist, Praveen   +4 more
core   +1 more source

Refractive error among commercial drivers

Indian Journal of Ophthalmology, 2023
Samir Sutar, Pradeep Agarwal
doaj   +1 more source

Pattern of Refractive Errors in Primary School Children in Dehradun City of Uttrakhand State

Delhi Journal of Ophthalmology, 2016
Objective: To assess the pattern of refractive errors in primary school children in Dehradun city of Uttrakhand region. Settings and Design: Cross sectional descriptive study.
Tarannum Shakeel, Sanjeev Kumar Mittal
doaj   +1 more source

Refractive errors in 3-6 year-old Chinese children: a very low prevalence of myopia?

, 2015
PURPOSE To examine the prevalence of refractive errors in children aged 3-6 years in China. METHODS Children were recruited for a trial of a home-based amblyopia screening kit in Guangzhou preschools, during which cycloplegic refractions were measured in
Lan, Weizhong, Li, Zhen, Lin, Lixia, Morgan, Ian G., Yang, Zhikuan, Zeng, Junwen, Zhao, Feng   +6 more
core   +1 more source

Proposed framework for the integration of refractive error services into the eye health ecosystem in Kenya via social enterprise

Scientific Reports
The global burden of uncorrected refractive error demands for adoption of different approaches inclined towards scaling effective refractive error coverage.
Shadrack Muma, Kovin Shunmugam Naidoo, Rekha Hansraj   +2 more
doaj   +1 more source

Visual Profile of Children who Passed or Failed the UK School Vision Screening Protocol

British and Irish Orthoptic Journal, 2019
Background: We applied the National Screening Committee vision screening protocol [pass criterion monocular acuity ≤ 0.2 LogMAR in both eyes(BE)] to children four to five years old to investigate the visual profile of children who passed/failed. Previous
Sara McCullough, Kathryn Saunders
doaj   +1 more source

The effect of cycloplegia in the accuracy of autorefraction, keratometry and axial length using the Myopia Master

BMC Ophthalmology
Background Assessing refractive errors under cycloplegia is recommended for paediatric patients; however, this may not always be feasible. In these situations, refraction has to rely on measurements made under active accommodation which may increase ...
Agustin Peñaranda, Oscar Torrado, Ana Márquez, António M. Baptista, Pedro Miguel Serra   +4 more
doaj   +1 more source

Test and evaluation of the 2.4-micron photorefractor ocular screening system [PDF]

An improved 2.4-m photorefractor ocular screening system was tested and evaluated. The photorefractor system works on the principal of obtaining a colored photograph of both human eyes; and, by analysis of the retinal reflex images, certain ocular ...
Richardson, J. R.
core   +1 more source