17 Facts About Colour blindness

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

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

Partial colorColour blindness includes dichromacy and anomalous trichromacy, but is often clinically defined as mild, moderate or strong.

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

The most common forms of colorColour blindness are associated with the Photopsin genes, but the mapping of the human genome has shown there are many causative mutations that don't directly affect the opsins.

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

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

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

Mechanisms for color Colour 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.

For example, it detects blue-yellow color Colour blindness, is less susceptible to memorization and uses shapes, so it is accessible to the illiterate and young children.

The Farnsworth–Munsell 100 hue test is sensitive enough that it not only can detect color Colour blindness, but evaluate the color vision of color normals, ranking them as low, average or superior.

Color Colour 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 Colour blindness based on Newton's classification of 7 fundamental colors .

Red-green colorColour blindness can make it difficult to drive, primarily due to the inability to differentiate red-amber-green traffic lights.

Jin Kim's red–green color Colour 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 Colour 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 Colour blindness have a right of access to wider knowledge, or the full enjoyment of their human condition.