Results 1 to 10 of about 6,164 (195)

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

Repeatability and agreement of multispectral refraction topography in school children before and after cycloplegia [PDF]

BioMedical Engineering OnLine
Background The purpose of this study was to evaluate the repeatability and agreement of multispectral refraction topography (MRT) in measuring retinal refraction before and after cycloplegia in children.
Xiaoli Xu, Wansheng Zang, Anken Wang, Chenhao Yang   +3 more
doaj   +2 more sources

Reversal of Pharmacologic Mydriasis in Pediatric Subjects with Ryzumvi (0.75% Phentolamine Ophthalmic Solution): A Post-Hoc Pooled Analysis from Three Randomized, Placebo-Controlled Phase 3 Trials [PDF]

Clinical Ophthalmology
Jay S Pepose,1– 3 Shane Foster,4 Christopher Pearson,5 Mitchell Brigell,3 Konstantinos Charizanis3 1Pepose Vision Institute, St. Louis, MO, USA; 2Department of Ophthalmology, Washington University School of Medicine, St.
Pepose JS, Foster S, Pearson C, Brigell M, Charizanis K   +4 more
doaj   +2 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

Ocular Refraction at Birth and Its Development During the First Year of Life in a Large Cohort of Babies in a Single Center in Northern Italy [PDF]

, 2020
The purpose of this study was to investigate refraction at birth and during the first year of life in a large cohort of babies born in a single center in Northern Italy.
Bartollino S., Bonfiglio V. M. E., Cillino S., Costagliola C., Filippelli M. E., Forbice E., Nascimbeni G., Semeraro F.   +7 more
core   +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

Paediatric cycloplegia: A new approach [PDF]

Eye, 1997
Cycloplegia is a traumatic experience for most children, as guttae cyclopentolate stings on instillation into the conjunctival sac. This may result in inadequate cycloplegia, difficulty in further examination and a child who is scared of both the doctor and the ophthalmology department. Guttae proxymetacaine hydrochloride 0.5% (Ophthaine, Proparacaine)
P, Shah, A S, Jacks, G G, Adams
openaire   +2 more sources