Results 21 to 30 of about 14,448 (208)

Assessment of Changes in Cyliary Muscle in Patients with Hypermetropy Using Mathematical Modeling Methods

Acta Biomedica Scientifica, 2019
Background. Age-related decline in accommodation in patients with emmetropia, myopia and hyperopia is characterized by multidirectional changes in the thickness of the ciliary muscle and the configuration of the inner apex of the ciliary body.
A. G. Shchuko, E. T. Novozhilova, O. I. Rozanova, L. F. Sholokhov   +3 more
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

Myopia prevalence in school-aged children in Garki District of Abuja, Nigeria

African Vision and Eye Health, 2022
Background: Prevalence of myopia is increasing globally, hence it poses a significant public health risk due to the association of high myopia with debilitating eye disorders.
Tope R. Akinbinu, Kovin S. Naidoo, Samuel O. Wajuihian   +2 more
doaj   +1 more source

Uncorrected low hyperopia in young subjects induces postural instability even in those with clear visual acuity.

PLoS ONE, 2019
Reports have indicated the effect of myopic blur on postural stability. The objective of this study was to investigate the minimum refractive error to significantly affect postural stability through a various levels of hyperopia and myopia induced by ...
Byeong-Yeon Moon, Hyun Gug Cho, Dong-Sik Yu, Sang-Yeob Kim   +3 more
doaj   +1 more source

Corneal visualization Scheimpflug technology evaluates corneal biomechanical properties in children with different refractive states

Di-san junyi daxue xuebao, 2021
Objective To evaluate the corneal biomechanical parameters in myopic, hypermetropic and emmetropic eyes using corneal visualization Scheimpflug technology (CorVis ST).
LI Fang, ZHONG Xingwu, YANG Jun, LONG Denghong, LIN Youqing   +4 more
doaj   +1 more source

Quantitative assessment of colour fundus photography in hyperopia children based on artificial intelligence

BMJ Open Ophthalmology
Objectives This study aimed to quantitatively evaluate optic nerve head and retinal vascular parameters in children with hyperopia in relation to age and spherical equivalent refraction (SER) using artificial intelligence (AI)-based analysis of colour ...
Yuan Zhang, Yingting Zhu, Zhirong Wang, Yue Xiao, Yehong Zhuo, Zhidong Li, Guitong Ye, Jianqi Chen, Ruiyu Luo, Rui Xie, Jinan Zhan   +10 more
doaj   +1 more source

Behavior disorders in children with significant refractive errors

Journal of Current Ophthalmology, 2016
Purpose: To evaluate the frequency of behavioral disorders in children with significant refractive error and to compare the results with those of emmetropic children.
Gholamhoseyn Aghai, Parvin Dibajnia, Esmat Ashkesh, Mohammadreza Nazari, Khalil Ghasemi Falavarjani   +4 more
doaj   +1 more source

Hypermetropia, myelinated retinal nerve fiber and amblyopia: Reverse straatsma syndrome

TNOA Journal of Ophthalmic Science and Research, 2022
Myelinated retinal nerve fibers (MRNF) are a common developmental anomaly. MRNF is commonly associated with myopia. The association of MRNF with myopia, amblyopia, and strabismus is well documented. The amblyopia may be refractory to treatment. We report
Saranya Settu, Muthumeena Muthumalai
doaj   +1 more source

The prevalence of refractive errors in 5–15 year-old population of two underserved rural areas of Iran

Journal of Current Ophthalmology, 2018
Purpose: To determine the prevalence of hyperopia and myopia and their associations with age and gender in 5- to 15-year-old children in underserved rural areas in Iran. Methods: In this cross-sectional study, sampling was done using a multistage cluster
Hassan Hashemi, Abbasali Yekta, Payam Nabovati, Fahimeh Khoshhal, Abbas Riazi, Mehdi Khabazkhoob   +5 more
doaj   +1 more source

Macular thickness in patients with refractive errors

Российский офтальмологический журнал, 2023
Purpose. To investigate the influence of the axial length of eyes on the average macular thickness and to develop a method for assessing this optical coherence tomography (OCT) parameter in patients with refractive errors. Material and methods. The study
A. A. Shpak, N. A. Morina, M. V. Korobkova   +2 more
doaj   +1 more source