Results 41 to 50 of about 6,426 (247)

Brazilian guideline for pediatric cycloplegia and mydriasis

open access: yesArquivos Brasileiros de Oftalmologia, 2022
Cycloplegia is crucial for reliable pediatric ophthalmology examinations. This document provides a re-commendation for pediatric cycloplegia and mydriasis for Brazilian ophthalmologists. This article was developed based on literature reviews; the clinical experience of Brazilian specialists, as obtained through questionnaires; and the consensus of the ...
Curi, Ian   +9 more
openaire   +4 more sources

Prediction of spherical equivalent difference before and after cycloplegia in school-age children with machine learning algorithms

open access: yesFrontiers in Public Health, 2023
PurposeTo predict the need for cycloplegic assessment, as well as refractive state under cycloplegia, based on non-cycloplegic ocular parameters in school-age children.DesignRandom cluster sampling.MethodsThe cross-sectional study was conducted from ...
Bei Du   +9 more
doaj   +1 more source

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

open access: yes, 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   +6 more
core   +1 more source

Hypo-accommodation responses in hypermetropic infants and children [PDF]

open access: yes, 2010
Aims: Accommodation to overcome hypermetropia is implicated in emmetropisation. This study recorded accommodation responses in a wide range of emmetropising infants and older children with clinically significant hypermetropia to assess common ...
Horwood, Anna Mary   +1 more
core   +4 more sources

Effect of Tropicamide on crystalline Lens rise in low-to-moderate myopic eyes

open access: yesBMC Ophthalmology, 2020
Background Cycloplegics have been reported to induce changes in the lens thickness. However, the studies of correlation between cycloplegia and the lens position are limited. This study aims to investigate changes in crystalline lens rise (CLR) and other
Zhuoyi Chen   +4 more
doaj   +1 more source

The longitudinal associations of reading, writing and screen time with myopia at age 9 years among children from the GUSTO birth cohort

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To investigate the associations between paper‐based reading and writing time, screen‐based time at ages 2, 3, 6 and 9 years and myopia at age 9 in the GUSTO birth cohort. Methods The GUSTO study recruited pregnant women from two Singapore public maternity hospitals between 2009 and 2010. Parent‐reported reading and writing time, screen
Fan Wu   +7 more
wiley   +1 more source

Comparison of open-field autorefraction, closed-field autorefraction, and retinoscopy for refractive measurements of children and adolescents in Taiwan

open access: yesJournal of the Formosan Medical Association, 2020
Purpose: To evaluate the accuracy and effectiveness of noncycloplegic and cycloplegic autorefraction using two types of autorefractors (ARs) compared with retinoscopy in children and adolescents. Methods: This cross-sectional study included 308 students (
Yi-Chun Kuo   +2 more
doaj   +1 more source

Repeatability of the subjective refraction [PDF]

open access: yes, 2017
Actualment, l’error refractiu és considerat un problema de salut a nivell mundial. Un examen refractiu precís és vital per obtenir la millor agudesa visual possible i portar a terme correctament altres exàmens visuals.
Vázquez López, Meritxell
core  

Exploring ocular fundus morphology in relation to growth in adolescents born moderate‐to‐late preterm

open access: yesActa Ophthalmologica, EarlyView.
Abstract Purpose To study ocular fundus morphology and its relation to growth in adolescents born moderate‐to‐late preterm (MLP) and full term. Methods This prospective and population‐based cohort study included 50 MLP adolescents (26 girls, mean age 16.5 years) and 50 full‐term controls (30 girls, mean age 16.7 years).
Alexandra Lind   +6 more
wiley   +1 more source

First-order Design of a Reflective Viewfinder for Adaptive Optics Ophthalmoscopy [PDF]

open access: yes, 2012
Adaptive optics (AO) ophthalmoscopes with small fields of view have limited clinical utility. We propose to address this problem in reflective instruments by incorporating a viewfinder pupil relay designed by considering pupil and image centering and ...
Dubra, Alfredo, Sulai, Yusufu N.
core   +2 more sources

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