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Clinical Evaluation of an Affordable Handheld Wavefront Autorefractor in an Adult Population in a Low-Resource Setting in the Amazonas [PDF]

Vision
This study evaluates the ability of the QuickSee Free (QSF) portable autorefractor (PlenOptika) to detect and measure refractive error compared to subjective clinical refractometry (SCR) in a Brazilian adult population in a low-resource setting in ...
David Tayah, Ricardo Noguera Louzada, Pedro Lucas Machado Magalhães, Youssef Tayah, Dillan Cunha Amaral, Chow Wang Ming Shato, Daniel Oliveira Dantas, Milton Ruiz Alves   +7 more
doaj   +2 more sources

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

Children, 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, Sara Llorente-González, Valentina Bilbao-Malavé   +2 more
exaly   +3 more sources

Influence of Fogging Lenses and Cycloplegia on Peripheral Refraction

Journal of Optometry, 2009
Purpose: To compare objective peripheral refraction measured with an open-field autorefractor without cycloplegia with the values obtained with fogging lenses or with cycloplegia to inhibit accommodation.
Antonio Queiros, Jorge Jorge, JOSÉ M González-Méijome   +2 more
exaly   +3 more sources

Effect of cycloplegia on corneal biometrics and refractive state

Journal 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, Mohadeseh Feizi, Aliakbar Shafii, Amir Faramarzi, Mehdi Tavakoli, Shahin Yazdani   +5 more
doaj   +3 more sources

Objective Refraction Status before and after Cycloplegia: From Childhood to Young Adulthood

Vision (Switzerland)
This study aimed to evaluate the clinical information revealed after cycloplegia and assess how age and non-cycloplegic refractive status influence the classification of types of refractive error, as well as the relationship between age and cycloplegia ...
Karola Panke
exaly   +3 more sources

Comparison of the Near Eye Tool for Refractive Assessment (NETRA) and non-cycloplegic subjective refraction

BMJ Open Ophthalmology, 2022
Objective The NETRA (Near Eye Tool for Refractive Assessment) is a smartphone-based refractive tool that allows for self-evaluation of refractive error.
Alan Rubin, Nabeela Hasrod
doaj   +1 more source

Comparison of lens refractive parameters in myopic and hyperopic eyes of 6–12-year-old children

Frontiers in Medicine, 2022
Background/aimsTo evaluate the influence of cycloplegia on lens refractive parameters in 6–12-year-old children with myopia and hyperopia for exploring the pathogenesis of myopia.MethodsOne hundred eyes of 100 patients (50 boys) were included.
Jianming Shang, Jianming Shang, Jianming Shang, Yanjun Hua, Yanjun Hua, Yuliang Wang, Yuliang Wang, Yuliang Wang, Ji C. He, Xingtao Zhou, Xingtao Zhou, Xingtao Zhou, Xiaomei Qu, Xiaomei Qu, Xiaomei Qu   +14 more
doaj   +1 more source

Changes in ocular biological parameters after cycloplegia based on dioptre, age and sex

Scientific Reports, 2022
The effects of cycloplegia on ocular biological parameters in children have been extensively studied, but few studies have compared these parameters between different refractive states, ages, and sexes.
Yulin Tao, Xiaokang Cheng, Can Ouyang, Xiaoyong Qu, Wenjiang Liao, Qiong Zhou, Jun Ouyang   +6 more
doaj   +1 more source

Effects of Cycloplegic Agents on Ocular Parameters in Children with Myopia and Hyperopia

Journal of Ophthalmology, 2023
Background. To study the effect of cycloplegia on ocular parameters in children with myopia and hyperopia. Methods. Forty-two myopia and forty-four hyperopia eyes in children between 5 and 10 years of age were included. Measurements were taken before and
Guangzhi Qu, Bingfeng Wang, Saisai Ding, Xiaocui Liu, Lei Gao, Xuli Wang   +5 more
doaj   +1 more source

The Influence of 0.5% Tropicamide on Anterior Segment Parameters With CASIA2 in Emmetropic, Myopic, and Hyperopic Eyes

Frontiers in Physiology, 2022
Aim: To evaluate the effects of 0.5% tropicamide on anterior segment parameters with the CASIA2 imaging device in emmetropic, myopic, and hyperopic eyes.Methods: In this prospective study, a total of 125 subjects (34 emmetropic subjects, 57 myopic ...
Feng Lin, Feng Lin, Feng Lin, Feng Lin, Yuliang Wang, Yuliang Wang, Yuliang Wang, Yuliang Wang, Yujia Liu, Yujia Liu, Yujia Liu, Yujia Liu, Xiaomei Qu, Xiaomei Qu, Xiaomei Qu, Xiaomei Qu, Xingtao Zhou, Xingtao Zhou, Xingtao Zhou, Xingtao Zhou   +19 more
doaj   +1 more source