17 Facts About Color blindness

Color blindness is the decreased ability to see color or differences in color.

Color blindness describes both a symptom of reduced color perception, as well as several conditions where colorblindness is the primary – or only – symptom.

Color blindness analysis is the analysis of color in its use in fashion, to determine personal color combinations that are most aesthetic.

Color blindness analysis involves many aesthetic and comparative color task that can be difficult for the color blind.

Much terminology has existed and does exist for the classification of color blindness, but the typical classification for color blindness follows the von Kries classifications, which uses severity and affected cone for naming.

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Blue-yellow color blindness is much less common than red-green color blindness, and more often has acquired causes than genetic.

For example, red–green color blindness can be caused by ethambutol, a drug used in the treatment of tuberculosis.

Blue-yellow color blindness can be caused by sildenafil, an active component of Viagra.

Color blindness is any deviation of color vision from normal trichromatic color vision that produces a reduced gamut.

Mechanisms for color blindness are related to the functionality of cone cells, and often to the expression of photopsins, the photopigments that 'catch' photons and thereby convert light into chemical signals.

Color blindness affects a large number of individuals, with protans and deutans being the most common types.

In 1920, Frederick William Edridge-Green devised an alternative theory of color vision and color blindness based on Newton's classification of 7 fundamental colors .

Color blindness codes are useful tools for designers to convey information.

Color blindness vision is important for occupations using telephone or computer networking cabling, as the individual wires inside the cables are color-coded using green, orange, brown, blue and white colors.

Jin Kim's red–green color blindness did not stop him from becoming first an animator and later a character designer with Walt Disney Animation Studios.

Brazilian court ruled that people with color blindness are protected by the Inter-American Convention on the Elimination of All Forms of Discrimination against Person with Disabilities.

At trial, it was decided that the carriers of color blindness have a right of access to wider knowledge, or the full enjoyment of their human condition.