Results 31 to 40 of about 6,183 (212)

Stability of extemporaneously prepared ophthalmic solutions for mydriasis [PDF]

open access: yes, 2018
Purpose Results of an evaluation of the physical and chemical stability of extemporaneously prepared adult and pediatric ophthalmic solutions containing combinations of phenylephrine, tropicamide, and cyclopentolate are reported.
Camp, Nicole A.   +4 more
core   +2 more sources

Effect of cycloplegia on corneal biometrics and refractive state

open access: yesJournal of Ophthalmic & Vision Research, 2018
Purpose: To determine changes in refractive state and corneal parameters after cycloplegia with cyclopentolate hydrochloride 1% using a dual Scheimpflug imaging system.
Abbas Bagheri   +5 more
doaj   +1 more source

Accommodation [PDF]

open access: yes, 2001
Universidade de São Paulo Faculdade de Medicina Hospital das ClínicasUniversidade Federal de São Paulo (UNIFESP) Departamento de OftalmologiaUNIFESP, Depto.
Plutt, Mauro, Sá, Luís Carlos F. De
core   +3 more sources

Comparative Study of Refraction between Wave Front-Based Refraction and Autorefraction without and with Cycloplegia in Children and Adolescents

open access: yesChildren, 2022
The main aim of this study was to compare refraction measurements with and without cycloplegia from two refractors devices, (TRK-2P autorefractometer (TRK-2P) and wavefront-based refraction Visionix 130 (VX130)) in children and adolescents.
Ana M Calvo-Maroto   +8 more
doaj   +1 more source

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

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

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

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 Influence of Accommodation on Retinal Peripheral Refraction Changes in Different Measurement Areas

open access: yesJournal of Ophthalmology, 2023
Background. The change in refraction caused by accommodation inevitably affects the peripheral defocus state and thus may influence the effect of retinal peripheral myopic defocus measures in myopia control.
Weicong Lu   +6 more
doaj   +1 more source

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