Results 41 to 50 of about 384,676 (291)

Phenylephrine Affects Peripapillary Retinal Vasculature—an Optic Coherence Tomography Angiography Study

Frontiers in Physiology, 2017
Purpose: To evaluate and compare the effect of topical mydriatic eye drops (0.5% tropicamide alone, and a 0.5% tropicamide/0.5% phenylephrine mixture) on the retinal perfusion using optic coherence tomography angiography (OCTA).Methods: The perfused ...
Jingyi Cheng, Jingyi Cheng, Jingyi Cheng, Jian Yu, Jian Yu, Jian Yu, Chunhui Jiang, Chunhui Jiang, Chunhui Jiang, Xinghuai Sun, Xinghuai Sun, Xinghuai Sun   +11 more
doaj   +1 more source

Activation of the GABA-alpha receptor by berberine rescues retinal ganglion cells to attenuate experimental diabetic retinopathy

Frontiers in Molecular Neuroscience, 2022
PurposeThe aim of this study was to investigate the role and mechanism of berberine (BBR) in the protection of injured retinal ganglion cells (RGCs) in diabetic retinopathy (DR).MethodsExperimental diabetic retinopathy rat model was successfully induced ...
Wangyi Fang, Wangyi Fang, Wangyi Fang, Xiaojing Huang, Kaicheng Wu, Kaicheng Wu, Yuan Zong, Yuan Zong, Jian Yu, Jian Yu, Huan Xu, Huan Xu, Jiemei Shi, Jiemei Shi, Jiaojiao Wei, Jiaojiao Wei, Xujiao Zhou, Xujiao Zhou, Xujiao Zhou, Chunhui Jiang, Chunhui Jiang   +20 more
doaj   +1 more source

Prevalence and causes of blindness and visual impairment in Muyuka: a rural health district in South West Province, Cameroon.

, 2006
AIM: To estimate the prevalence and causes of blindness and visual impairment in the population aged 40 years and over in Muyuka, a rural district in the South West Province of Cameroon.
Befidi-Mengue, R, Dineen, B, Foster, A, Kuper, H, Oye, JE   +4 more
core   +2 more sources

Daily functioning, problem solving and satisfaction for quality of life in visually impaired old persons [PDF]

, 2017
Aim: The purpose of this study was to investigate the impact of several dimensions of functioning on satisfaction for quality of life (QoL) experienced by visually impaired older adults.
Carrieri, Loredana, Nota, Laura, Sato, Giovanni, Sgaramella, TERESA MARIA, Soresi, Salvatore   +4 more
core   +1 more source

Ethnicity and Deprivation are Associated With Blindness Among Adults With Primary Glaucoma in Nigeria: Results From the Nigeria National Blindness and Visual Impairment Survey. [PDF]

, 2016
PURPOSE: We explored the risk factors for glaucoma blindness among adults aged 40 years and above with primary glaucoma in Nigeria. PARTICIPANTS AND METHODS: A total of 13,591 participants aged 40 years and above were examined in the Nigeria Blindness ...
Evans, Jennifer R, Gilbert, Clare E, Kyari, Fatima, Murthy, Gudlavalleti VS, Nigeria National Blindness and Visual Impairment Study Group, Wormald, Richard   +5 more
core   +2 more sources

Area of the cone interdigitation zone in healthy Chinese adults and its correlation with macular volume

BMC Ophthalmology, 2018
Background Numerous studies have suggested that the integrity of the cone interdigitation zone (IZ) could be considered to be a marker of photoreceptor damage and its recovery. However, little is known about the IZ in healthy eyes.
Ruiping Gu, Guohua Deng, Yi Jiang, Chunhui Jiang, Gezhi Xu   +4 more
doaj   +1 more source

Distribution of Ocular Anterior and Posterior Segment Lengths Among a Cataract Surgical Population in Shanghai

Frontiers in Medicine, 2021
Purpose: To investigate the distributions of the ocular anterior and posterior segment lengths among a cataract surgical population in Shanghai.Design: Cross-sectional study.Methods: Ocular biometric parameters of 23,462 eyes of 23,462 cataract surgery ...
Jiao Qi, Jiao Qi, Jiao Qi, Jiao Qi, Jiao Qi, Wenwen He, Wenwen He, Wenwen He, Wenwen He, Wenwen He, Jiaqi Meng, Jiaqi Meng, Jiaqi Meng, Jiaqi Meng, Jiaqi Meng, Ling Wei, Ling Wei, Ling Wei, Ling Wei, Ling Wei, Dongjin Qian, Dongjin Qian, Dongjin Qian, Dongjin Qian, Dongjin Qian, Yi Lu, Yi Lu, Yi Lu, Yi Lu, Yi Lu, Xiangjia Zhu, Xiangjia Zhu, Xiangjia Zhu, Xiangjia Zhu, Xiangjia Zhu   +34 more
doaj   +1 more source

11th European Headache Federation Congress jointly with 31st Congress of the Italian Society for the Study of Headaches : Rome, Italy. 01-03 December 2017 [PDF]

, 2017
. Aims of the study were explore the relationship between peripheral chromatic and central visual dysfunction evaluating also the presence of functional receptor impairment in patients with migraine, with and without aura examined ...
Brighina, F, Catalano, E, Cillino, S, Cosentino, G, Fierro, B, Firpo, V   +5 more
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Replication of the Association Between Keratoconus and Polymorphisms in PNPLA2 and MAML2 in a Han Chinese Population

Frontiers in Genetics, 2020
Keratoconus (KC) is a complex ocular disease that is affected by both genetic and non-genetic triggers. A recent genome-wide association study (GWAS) identified a genome-wide significant locus for KC in the region of PNPLA2 (rs61876744), as well as a ...
Jing Zhang, Jing Zhang, Jing Zhang, Yue Li, Yue Li, Yue Li, Yiqin Dai, Yiqin Dai, Yiqin Dai, Jianjiang Xu, Jianjiang Xu, Jianjiang Xu   +11 more
doaj   +1 more source

Outcome of cataract surgery in Nigeria: visual acuity, autorefraction, and optimal intraocular lens powers--results from the Nigeria national survey.

, 2010
OBJECTIVE: To describe presenting and corrected visual acuities after cataract surgery in a nationally representative sample of adults. Another objective was to describe refractive errors in operated eyes and to determine the optimal range of intraocular
Gilbert, Clare E, Imam, Abdullahi U, Maini, Raj, Murthy, Gudlavalleti VS, Nigeria National Blindness and Visual Impairment Study Group, Rabiu, Mansur M, Sivasubramaniam, Selvaraj   +6 more
core   +1 more source