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Molecular genetics of colour vision deficiencies
Clinical and Experimental Optometry, 2004The normal X-chromosome-linked color-vision gene array is composed of a single long-wave-sensitive (L-) pigment gene followed by one or more middle-wave-sensitive (M-) pigment genes. The expression of these genes to form L- or M-cones is controlled by the proximal promoter and by the locus control region.
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Human color vision deficiencies and atmospheric twilight
Biodemography and Social Biology, 1987Abstract Red‐green color vision deficiencies in human populations are generally regarded as visual dysfunctions, the frequencies of which have increased from mutational pressure and relaxation of selection in post‐Neolithic periods. However, color vision insensitivities also occur in other vertebrates and appear to be an ecological adaptation for low ...
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Journal of The Optical Society of America A-optics Image Science and Vision
Congenital red-green color vision deficiencies (CVDs) affect 8% of males and 0.5% of females. Given the growing number of school materials using color as a resource to learn, affected children are said to be at a clear disadvantage.
Harpreet Dlay, Gabriele Jordan
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Congenital red-green color vision deficiencies (CVDs) affect 8% of males and 0.5% of females. Given the growing number of school materials using color as a resource to learn, affected children are said to be at a clear disadvantage.
Harpreet Dlay, Gabriele Jordan
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Mobile services supporting color vision deficiency
2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM), 2012This paper presents an application for smartphones, which supports people with color vision deficiency (CVD). Following a general introduction we discuss briefly relevant aspects explaining the causes and types of this disease. A variety of test procedures have been developed, allowing to diagnose different categories and levels of CVD. As we propose a
Simon Schmitt +3 more
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Examining Strategies for Correcting Color Vision Deficiency: A Survey
2024 IEEE 4th International Conference on Software Engineering and Artificial Intelligence (SEAI)Color blindness (CVD) is a condition experienced by millions around the world and thus has created many difficulties in multiple fields. This is a survey on the existing approaches and the latest improvements in it that are used in the CVD adaptation ...
Gariman Gangwani +4 more
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Recognition of simulated cyanosis by color-vision-normal and color-vision-deficient subjects
Journal of the Optical Society of America A, 2014There are anecdotal reports that the recognition of cyanosis is difficult for some color-deficient observers. The chromaticity changes of blood with oxygenation in vitro lie close to the dichromatic confusion lines. The chromaticity changes of lips and nail beds measured in vivo are also generally aligned in the same way.
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Practical aspects of color vision deficiency
Himalayan Journal of OphthalmologyAbstract Color vision deficiency (CVD) is a nontreatable medical condition that can inflict issues in an individual’s life in every aspect. People who have CVD struggle in daily life, in early learning and development, in school, when choosing a career, and in their performance at work.
Shreya Angrish, Apoorva Chaudhary
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Color vision deficiency in retinitis pigmentosa
International Congress Series, 2005Abstract Purpose This study examined which color vision test was superior in the detection of acquired color vision deficiencies and the relative magnitudes of red–green (RG) and blue–yellow (BY) discrimination losses in retinitis pigmentosa (RP). Methods Color vision examinations were conducted using Standard Pseudoisochromatic Plates Part 2 ...
Rokiah Omar, Stephan Dain, Peter Herse
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Acquired Color Vision Deficiencies and Electronics
1989The aim of this work is to study from an ergomonic point of view subjects affected by acquired color vision deficiencies because of diabetes, glaucoma, optic neuritis, central serous choroidopathy, etc. The authors compared the performances of normal subjects and of subjects affected by acquired color vision deficiencies as determined by clinical color
Antonina Serra +5 more
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Color Vision Deficiency and Plasmonic nanostructures
2022Color vision deficiency, which is also know as color blindness affects 8% of males and 0.5% of females in the world. This inherited ocular disorder brings a lot of inconvience to patients’ life. In this study, gold nanoparticles are integrated into contact lens material, thus forming nanocomposite contact lenses targeted for red−green CVD ...
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