Results 101 to 110 of about 12,517 (205)

The Performance of Spot Photoscreener in 6 to 10 Weeks Infants in China: A Cross-Sectional Study

open access: yesJournal of Ophthalmology
Purpose. To compare the refractive errors measured by the Spot photoscreener (with or without cycloplegia) to cycloplegic retinoscopy in 6- to 10-week-old infants. Materials and Methods.
Yaoling Li   +8 more
doaj   +1 more source

A proposed rapid methodology to assess the prevalence and causes of blindness and visual impairment.

open access: yes, 2006
PURPOSE: To determine whether a sample of the 50-year-old and above population would provide comparable information to a total population-based survey. METHODS: In 1996, a national eye survey of the total population in The Gambia was undertaken and the ...
Dineen, Brendan   +2 more
core   +1 more source

What is the best alternative to the use of cycloplegic in the objective refraction [PDF]

open access: yes, 2008
Comunicação ...
González-Méijome, José Manuel   +2 more
core  

The Effect of Myopic Control between the Dual-Focus Contact Lenses and High-Concentration Atropine in an Asian Population

open access: yesLife
We aim to investigate the myopic control effect of high-concentration atropine (ATR) and dual-focus contact lenses (DFCLs). A retrospective cohort study was conducted.
Chia-Yi Lee   +5 more
doaj   +1 more source

Assumption-free estimation of the genetic contribution to refractive error across childhood [PDF]

open access: yes, 2015
Purpose: Studies in relatives have generally yielded high heritability estimates for refractive error: twins 75–90%, families 15–70%. However, because related individuals often share a common environment, these estimates are inflated (via misallocation ...
Evans, David M.   +5 more
core   +2 more sources

Comparison of photorefraction by Plusoptix A12 and cycloplegic autorefraction in children

open access: yesBMC Ophthalmology
Background Plusoptix photoscreeners are capable of measuring refractive errors of children from 1 meter distance, without cyloplegia. We aimed to compare refractive data obtained from the newest version of Plusoptix (model 12) with cycloplegic ...
Hadi Ghadimi   +2 more
doaj   +1 more source

Is pupil diameter influenced by refractive error? [PDF]

open access: yes, 2015
Allen   +24 more
core   +1 more source

Prevalence of refractive conditions in the general population attending eye care clinics in the north of Portugal [PDF]

open access: yes, 2009
The purpose of this study was to report the fi rst estimations on the prevalence of refractive conditions in a Portuguese population attending several ophthalmologic and optometric clinics within the same region.
Cerviño, Alejandro   +6 more
core  

Comparison of Cycloplegic and Manifest Refraction in Children and Adolescents

open access: yesThe Pan-American Journal of Ophthalmology, 2017
Purpose: To determine the relation between manifest refractive error and cycloplegic refractive error in children and adolescents in Campinas - SP, Brazil, and to compare the results with previous published studies.
Marcelo Vicente de Andrade Sobrinho   +3 more
doaj  

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