Results 11 to 20 of about 22,375 (191)

Identifying missing pieces in color vision defects: a genome-wide association study in Silk Road populations [PDF]

open access: yesFrontiers in Genetics, 2023
Introduction: Color vision defects (CVDs) are conditions characterized by the alteration of normal trichromatic vision. CVDs can arise as the result of alterations in three genes (OPN1LW, OPN1MW, OPN1SW) or as a combination of genetic predisposition and ...
Giuseppe Giovanni Nardone   +9 more
doaj   +6 more sources

A Novel Smartphone-Based Color Test for Detection of Color Vision Defects in Age Related Macular Degeneration [PDF]

open access: yesJournal of Ophthalmology, 2022
Purpose. To evaluate the efficacy of the smartphone-based K-color test to detect color defects in patients with Age-related Macular Degeneration (AMD). Methods.
Vassilios Karampatakis   +4 more
doaj   +3 more sources

Color Vision Defects in School Going Children

open access: yesJournal of Nepal Medical Association, 2010
Introduction: Color Vision defect can be observed in various diseases of optic nerve and retina and also a significant number of people suffer from the inherited condition of red and green color defect.
R K Shrestha   +3 more
doaj   +6 more sources

Prevalence and genotypic frequency of color vision defects among primary schoolchildren in Adama Town, Eastern Ethiopia [PDF]

open access: yesBMC Pediatrics
Color vision deficiency is a common X-linked genetic disorder affecting the day-to-day lives of individuals, in which school-aged children’s academic performance can be negatively affected.
Temesgen Bedassa Gudeta, Tiruneh Asrat
doaj   +3 more sources

Prevalence of Red-Green Color Vision Defects among Muslim Males and Females of Manipur, India [PDF]

open access: yesIranian Journal of Public Health, 2013
Background: Color blindness is a common X-linked genetic disorder. However, most of color blinds remain undetected due to absence of proper screening. Our study was to determine the prevalence of red-green color vision defects among Manipuri Muslim males
Ahsana Shah   +3 more
doaj   +4 more sources

Functional Defects in Color Vision in Patients With Choroideremia [PDF]

open access: yesAmerican Journal of Ophthalmology, 2015
To characterize defects in color vision in patients with choroideremia.Prospective cohort study.Thirty patients with choroideremia (41 eyes) and 10 age-matched male controls (19 eyes) with visual acuity of ≥6/36 attending outpatient clinics in Oxford Eye Hospital underwent color vision testing with the Farnsworth-Munsell 100 hue test, visual acuity ...
Jolly, J   +4 more
openaire   +3 more sources

Structural and Functional Characteristics of Color Vision Changes in Choroideremia [PDF]

open access: yesFrontiers in Neuroscience, 2021
Color vision is considered a marker of cone function and its assessment in patients with retinal pathology is complementary to the assessments of spatial vision [best-corrected visual acuity (BCVA)] and contrast detection (perimetry).
Jasleen K. Jolly   +16 more
doaj   +2 more sources

Molecular Genetics of Color Vision and Color Vision Defects [PDF]

open access: yesJAMA Ophthalmology, 2000
Color is an extremely important component of the information that we gather with our eyes. Most of us use color so automatically that we fail to appreciate how important it is in our daily activities. It serves as a nonlinguistic code that gives us instant information about the world around us.
Maureen Neitz, Jay Neitz
exaly   +3 more sources

ASSESSMENT OF COLOR VISION FOR DIAGNOSIS AND DYNAMIC MONITORING OF MULTIPLE SCLEROSIS

open access: yesAlʹmanah Kliničeskoj Mediciny, 2016
Background: Multiple sclerosis is regarded as the most frequent cause of neurological disability. Visual disturbances are common and may be due to pathology of retina, optic nerve and cerebral conduction tracts (optic tract).
N. V. Kuchina   +5 more
doaj   +2 more sources

Acquired color vision and visual field defects in patients with ocular hypertension and early glaucoma

open access: yesClinical Ophthalmology, 2009
Dimitris Papaconstantinou1, Ilias Georgalas2, George Kalantzis1, Efthimios Karmiris1, Chrysanthi Koutsandrea1, Andreas Diagourtas1, Ioannis Ladas1, Gerasimos Georgopoulos11Department of Ophthalmology, University of Athens, Athens, Greece; 2“G ...
Dimitris Papaconstantinou   +4 more
doaj   +1 more source

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