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Achromatopsia, also known as rod monochromacy, is a medical syndrome that exhibits symptoms relating to five conditions, most notably monochromacy. Historically, the name referred to monochromacy in general, but now typically refers only to an autosomal recessive congenital color vision condition.
Red–green: 8% males, 0.5% females (Northern European descent) [2] Color blindness or color vision deficiency (CVD) is the decreased ability to see color or differences in color. [2] The severity of color blindness ranges from mostly unnoticeable to full absence of color perception. Color blindness is usually an inherited problem or variation ...
Most fish species have color vision. There are some species that are capable of seeing ultraviolet while some are sensitive to polarized light. [9] The fish retina has rod cells that provide high visual sensitivity in low light conditions and cone cells that provide higher temporal and spatial resolution than the rod cells are capable of.
Gyotaku. Gyotaku (魚拓, from gyo "fish" + taku "stone impression") is the traditional Japanese method of printing fish, a practice which dates back to the mid-1800s. This form of nature printing, where ink is applied to a fish which is then pressed onto paper, was used by fishermen to record their catches, but has also become an art form of ...
The Amblyopsidae are a fish family commonly referred to as cavefish, blindfish, or swampfish. They are small freshwater fish found in the dark environments of caves (underground lakes, pools, rivers and streams), springs and swamps in the eastern half of the United States. Like other troglobites, most amblyopsids exhibit adaptations to these ...
www.aph.org. The American Printing House for the Blind (APH) is an American non-for-profit corporation in Louisville, Kentucky, promoting independent living for people who are blind and visually impaired. [5] For over 150 years APH has created unique products and services to support all aspects of daily life without sight.
Legally blind because of the severity of colorblindness. [31] Graham Kennedy: 1934–2005 Australia: Entertainer [32] Brian Kibler: b. 1980 United States: Game designer Publicly stated on his Twitter account. [33] Kim Sang-jin: red–green South Korea: Animator Was barred from art school, so studied economics; animated for Disney for 20 years ...
Sepia toning is a chemical process used in photography which changes the appearance of black-and-white prints to brown. [2] [6] The color is now often associated with antique photographs. Most photo graphics software programs and many digital cameras include a sepia tone filter to mimic the appearance of sepia-toned prints. [2] [7]