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Created with Fabric.js 1.4.5 Color Blindness By Gryphon Metcalf RGB Spectrum (Red, Green, Blue spectrum.) "Terminology of Color Blindness | Colblindor." Colblindor. N.p., n.d. Web. 22 Jan. 2015. "Color Vision Deficiency." Genetics Home Reference. N.p., n.d. Web. 21 Jan. 2015. "Prenatal Diagnosis for Colorblindness." EHow. Demand Media, 19 Oct. 2009. Web. 19 Jan. 2015. Martin, Paul. "ColorVisionTesting | Colorblind." ColorVisionTesting | Colorblind. N.p., n.d. Web. 06 Feb. 2015. "Colour Vision Deficiency ." Colour Vision Deficiency. N.p., n.d. Web. 09 Feb. 2015. Common name for this disorder are, color vision deficiency, or Daltnism It is caused by mutations in the CNGA3, CNGB3, GNAT2, OPN1LW, OPN1MW, and OPN1SW genes cause color vision deficiency. The types of Color Blindness, are...Tetrachromatism: Four different color receptors. -unusualTrichromatism: Three different color receptors related to red, green and blue. -normalAnomalous trichromatism: Three different color receptors whereas -okayThis relates to protanomaly, deuteranomaly and tritanomaly. Dichromatism: Two different color receptors which describes the three different types of color blindness protanopia, deuteranopia and tritanopia. Monochromatism: Either no color receptors at all or only one type of color receptors. This is also called rod monochromacy or achromatopsia. The percentage people with the disorder are 5% to 8% of the men and 0.5% of the women of the world are born colorblind. That's as high as 1/12 men and 1/200 women. (red weak) and deutans (green weak) make up 99% of this group. Colorblindness is a hereditary condition. Only a single healthy color perception gene is necessary for a human to be able to perceive color properly. If the mother of the child is a carrier of the colorblindness gene, the male children are 50 percent more likely to contract the condition. Fathers with the condition cannot pass it to their sons, but will give it to their daughters. Their daughters, despite this, will not be colorblind unless their mother also carries the gene for colorblindness, but is not also colorblind. The human eye sees by light stimulating the retina (a neuro-membrane lining the inside back of the eye). The retina is made up of what are called Rods and Cones. The rods, located in the peripheral retina, give us our night vision, but can not distinguish color. Cones, located in the center of the retina (called the macula), are not much good at night but do let us perceive color during daylight conditions. top left: normal vision,top right: deuteranopia, bottom left: protanopia and bottom right: tritanopia The Different Types Of Color-Vision Dificiency Percentages How it's caused
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