Results 21 to 30 of about 20,802 (289)

Prevalence of color vision deficiency among primary school pupils in Duhok city, Kurdistan Region, Iraq

open access: yesAdvanced Medical Journal, 2022
Background and objectives: Color vision deficiency or color blindness is a difficulty in recognizing certain colors. The color vision deficient persons remain unmindful about their condition and only become aware accidentally when tested for color ...
Azad Jameel Hussein   +1 more
doaj   +1 more source

Color Vision in the Gas Station Workers of Isfahan City: A Quantitative Analysis With the Farnsworth D15 Color Test

open access: yesFunction and Disability Journal, 2020
Background and Objectives: The color vision evaluation of gas station workers in Isfahan City. Methods: This cross-sectional comparative study was performed on workers at gas stations in Isfahan; all the workers were men.
Jamileh Abolghasemi   +3 more
doaj   +1 more source

Ethambutol optic neuropathy in the extended anti-tubercular therapy regime: A systematic review

open access: yesIndian Journal of Ophthalmology, 2023
The extended use of ethambutol beyond 2 months for treating tuberculosis has increased risk of optic neuropathy. We performed a systematic review of studies evaluating optic neuropathy in extended ethambutol use since 2010 and compared the outcome with a
Swapnali Sabhapandit   +6 more
doaj   +1 more source

Structural and Functional Characteristics of Color Vision Changes in Choroideremia

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   +1 more source

Color-discrimination threshold determination using pseudoisochromatic test plates

open access: yesFrontiers in Psychology, 2014
We produced a set of pseudoisochromatic plates for determining individual color-difference thresholds to assess test performance and test properties, and analyzed the results.
Kaiva eJurasevska   +8 more
doaj   +1 more source

Saliency Consistency-Based Image Re-Colorization for Color Blindness

open access: yesIEEE Access, 2020
For patients with color vision defects, owing to the destruction of cone cells and loss of function, some color information is lost, hence changing the originally transmitted information by the image.
Jinjiang Li, Xiaomei Feng, Hui Fan
doaj   +1 more source

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   +1 more source

The Influence of the Extent of Color-Vision Deficiency on Shade-Matching Ability

open access: yesActa Stomatologica Croatica, 2019
Objective: To evaluate the influence of the extent of color-vision deficiency on visual shade-matching ability. Materials and methods: Six groups were investigated: the control group (N = 68), the protan medium deficiency (PMED) group (N = 5), the protan
Boštjan Pohlen   +2 more
doaj   +1 more source

Bioelectric activity of the visual system in trichromats and color-blinds according to visual evoked potentials to achromatic and chromatic stimuli

open access: yesJournal of Ophthalmology, 2017
Background. Psychophysical methods, the most known of which are polychromatic tables and spectral anomaloscope study, are used for diagnostics of color vision defects.
N.I.Khramenko   +2 more
doaj   +1 more source

Prevalence and awareness levels of color blindness among students of faculty of dentistry and dental prosthesis technology program

open access: yesEuropean Oral Research, 2022
Purpose The aim of this study was to evaluate the prevalence and awareness levels of color blindness among students in a faculty of dentistry and dental prosthesis technology program in two different universities.
Ayşe Seda Ataol, Gülfem Ergün
doaj   +1 more source

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