Results 41 to 50 of about 22,375 (191)

Color and contrast vision in mouse models of aging and Alzheimer’s disease using a novel visual-stimuli four-arm maze

open access: yesScientific Reports, 2021
We introduce a novel visual-stimuli four-arm maze (ViS4M) equipped with spectrally- and intensity-controlled LED emitters and dynamic grayscale objects that relies on innate exploratory behavior to assess color and contrast vision in mice.
Jean-Philippe Vit   +7 more
doaj   +1 more source

Methods for determining color characteristics of vegetable raw materials. A review

open access: yesПищевые системы, 2022
Food product quality defines a complex of food product properties such size, shape, texture, color and others, and determines acceptability of these products for consumers.
N. I. Fedyanina   +2 more
doaj   +1 more source

Application of Color and Size Measurement in Food Products Inspection

open access: yesIndonesian Journal of Information Systems, 2019
Color and size are external aspects considered by consumers in purchasing a food product and are used in food product inspection using computer vision. This paper reviews recent applications of color and size measurement in food product inspection using ...
Joko Siswantoro
doaj   +1 more source

Prevalence and types of color vision deficiency among primary school students in Alexandria

open access: yesDelta Journal of Ophthalmology, 2021
Purpose The aim of this study was to determine the prevalence and types of color vision deficiency (CVD) among primary school students in Alexandria, Egypt. Setting This study was carried out at three primary schools in Alexandria, Egypt.
Alaa A.B Elshazly   +2 more
doaj   +1 more source

Color Vision Deficiency Prevalence among NEET-UG Aspirants: A Medical Examination Analysis in Meerut

open access: yesDelhi Journal of Ophthalmology
Background: Color vision deficiency (CVD), a genetic disorder affecting the cones in the retina, is prevalent across human populations. It is a sex-linked recessive trait, occurring predominantly in males and transmitted through females.
Kirti Singh   +3 more
doaj   +1 more source

Successive Color Contrast in Defective Color Vision

open access: yesThe Tohoku Journal of Experimental Medicine, 1956
Retinal induction was studied in normal and color-defective subjects by means of Motokawa's method. 1. The effect of light in terms of ζ was investigated with spectral lights, and it was found that the ζ value for red lights was dicidedly small in a protanomalous. 2.
openaire   +3 more sources

Subclinical Optic Neuritis

open access: yesActa Clinica Croatica, 2023
Acute optic neuritis is often associated with multiple sclerosis. It is considered to be the most common ocular symptom of multiple sclerosis. In addition to acute optic neuritis, in patients with multiple sclerosis, subclinical optic neuritis is also ...
Tomislav Vidović   +4 more
doaj   +1 more source

The causal mutation in ARR3 gene for high myopia and progressive color vision defect

open access: yesScientific Reports, 2023
The ARR3 gene, also known as cone arrestin, belongs to the arrestin family and is expressed in cone cells, inactivating phosphorylated-opsins and preventing cone signals. Variants of ARR3 reportedly cause X-linked dominant female-limited early-onset (age 
Lei Gu   +5 more
doaj   +1 more source

COLOR VISION DEFECT: COLOR BLINDNESS

open access: yesInternational Journal of Research -GRANTHAALAYAH, 2014
Humans have many types of sensations such as sight, hearing, touch, smell, taste etc. They originate from stimulants, which a person receives from their external environment, stimulate the stimulating senses i.e. eye, ear, skin, nose and tongue, and produce different sensations.
openaire   +2 more sources

PREVALENCE OF COLOR BLINDNESS IN STUDENTS: ISFAHAN – 1999

open access: yesJournal of Research in Medical Sciences, 2001
Introduction. The light waves stimulates the retinal cell and eventually the brain cortex will interpret it to a color vision. Color vision defects can be congenital or acquired. Congenital types have a lifelong constant state (Severity).
A ZANDI, GH.R AZARIAN
doaj  

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