Results 1 to 10 of about 339 (206)

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

JAMA 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

Color Vision Defects in School Going Children

Journal 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, MR Joshi, S Shakya, R Ghising   +3 more
doaj   +4 more sources

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

Frontiers 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 ...
Beatrice Spedicati, Giorgia Girotto, Giuseppe Giovanni Nardone   +2 more
exaly   +3 more sources

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

Advanced 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, Samim Ahmed Al-Dabbagh   +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

Function 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, Ebrahim Jafarzadehpur, Asieh Sadat Sedighi, Ali Mirzajani   +3 more
doaj   +1 more source

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

Indian 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, Vishwanath Gella, Anumula Shireesha, Ledo Thankachan, Mohamad Ismail, Raghava Rao, Rupjyoti Talukdar   +6 more
doaj   +1 more source

Structural and Functional Characteristics of Color Vision Changes in Choroideremia

Frontiers 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, Jasleen K. Jolly, Jasleen K. Jolly, Matthew P. Simunovic, Matthew P. Simunovic, Adam M. Dubis, Amandeep S. Josan, Amandeep S. Josan, Anthony G. Robson, Anthony G. Robson, Marco P. Bellini, Edward Bloch, Odysseas Georgiadis, Lyndon da Cruz, Holly Bridge, Robert E. MacLaren, Robert E. MacLaren   +16 more
doaj   +1 more source

Color-discrimination threshold determination using pseudoisochromatic test plates

Frontiers 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, Maris eOzolinsh, Maris eOzolinsh, Sergejs Dmitrievich Fomins, Sergejs Dmitrievich Fomins, Ausma eGutmane, Brigita eZutere, Anete ePausus, Varis eKaritans   +8 more
doaj   +1 more source

Saliency Consistency-Based Image Re-Colorization for Color Blindness

IEEE 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

Prevalence and lack of awareness of dyschromatopsia among students of four university courses [PDF]

Revista Brasileira de Oftalmologia
Objective: To identify the prevalence of colour dyschromatopsia in students of engineering, medicine, dentistry, and pedagogy courses at a community college in a city in the Midwest of Santa Catarina, Brazil.
Arthur Gabriel Duran, Luísa Trucolo, Caio Antônio Nhoatto, Gabriel Gardini Fagundes Marafon, Fabricio Salazar Fiorio Marques, Luiz Henrique Paza da Costa, Ricardo Alexandre Stock, Antuani Rafael Baptistella, Elcio Luiz Bonamigo   +8 more
doaj   +2 more sources