Results 1 to 10 of about 573,209 (214)

Effect of changing mesopic and photopic light conditions on visual functions [PDF]

open access: yesInternational Journal of Ophthalmology, 2023
AIM: To determine the effects of change in light conditions on refractive error and visual functions including visual acuity, stereopsis and contrast sensitivity.
Fatemeh Mosayebi   +3 more
doaj   +2 more sources

Specific relations of visual skills and executive functions in elite soccer players

open access: yesFrontiers in Psychology, 2022
Visual and cognitive skills are key to successful functioning in highly demanding settings such as elite sports. However, their mutual influence and interdependencies are not sufficiently understood yet.
Antonia Knöllner   +5 more
doaj   +3 more sources

Visual Functions Generating Conscious Seeing [PDF]

open access: yesFrontiers in Psychology, 2020
Visual functions are reviewed that coincide with conscious as opposed to unconscious vision. Four stages of vision are identified, going from the fully invisible, to subjectively invisible, unattended, and clearly visible.
Victor A. F. Lamme
doaj   +2 more sources

Visual functions and disability in diabetic retinopathy patients

open access: yesJournal of Optometry, 2014
Purpose: This study was undertaken to find correlations between visual functions and visual disabilities in patients with diabetic retinopathy. Method: A cross-sectional study was carried out among 38 visually impaired diabetic retinopathy subjects at ...
Gauri Shankar Shrestha, Raju Kaiti
doaj   +3 more sources

CLINICAL ASSESSMENT OF MANAGEMENT WHEN CHOOSING A METHOD OF PROVIDING CARE TO PATIENTS WITH OPEN-ANGLE GLAUCOMA

open access: yesКлінічна та профілактична медицина, 2023
Introduction: glaucoma is an essential international social and medical problem, as it leads to irreversible blindness in patients worldwide. Organization of treatment and prevention of complications using the most effective methods is the most important
Volodymyr O. Melnyk, Iryna V. Synchuk
doaj   +1 more source

eys+/-; lrp5+/− Zebrafish Reveals Lrp5 Can Be the Receptor of Retinol in the Visual Cycle

open access: yesiScience, 2020
Summary: Vision is essential for vertebrates including humans. Sustained vision is accomplished by retinoid metabolism, the “visual cycle,” where all-trans retinol (atROL) is incorporated into the retinal pigment epithelium (RPE) from photoreceptors ...
Shimpei Takita, Yuko Seko
doaj   +1 more source

Refraction and ocular biometric parameters of preschool children in the Beijing whole childhood eye study: the first-year report

open access: yesBMC Ophthalmology, 2023
Background Prevention of myopia should begin before school age. However, few population-based cohort studies have investigated refractive status in preschool children with cycloplegia.
Bidan Zhu   +7 more
doaj   +1 more source

In vitro transdifferentiation of human peripheral blood mononuclear cells to photoreceptor-like cells

open access: yesBiology Open, 2016
Direct reprogramming is a promising, simple and low-cost approach to generate target cells from somatic cells without using induced pluripotent stem cells.
Yukari Komuta   +7 more
doaj   +1 more source

Vision-related quality of life in children cured of retinoblastoma

open access: yesJournal of the Egyptian Ophthalmological Society, 2020
Purpose The aim was to assess visual functions in patients with retinoblastoma (Rb) after treatment and complete cure and the effect of this on quality of life by means of visual functioning questionnaire-39 (VFQ-39).
Samar S Hammad   +3 more
doaj   +1 more source

Infestation of the lacrimal sac by Rhinosporidium seeberi: A clinicopathological case report

open access: yesIndian Journal of Ophthalmology, 2013
Rhinosporidium seeberi , till recently known as a fungus, has been reclassified as a protistan parasite. It infects humans and many animal species. The authors describe a rare case of oculosporidiosis with involvement of the lacrimal sac exhibiting ...
Bipasha Mukherjee   +3 more
doaj   +1 more source

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