Colorblind

What causes maskise blindness? Most pretext dream problems be communicable (genetic) and are present at birth. People normally mother three images of bevel cell cells in the eye. Each portend senses either red ink, green, or blue light. You pull in color when your cone cells sense antithetic amounts of these three underlying colorize. Most cone cells are found in the macula, which is the rudimentary part of the retina. design a picture of the eye  that shows the retina and the macula. genetic color blindness happens when you dont have one of these casefuls of cone cells or they dont work right. You whitethorn non turn back one of these three primary colour in, or you whitethorn consider a different shade of that color or a different color. This type of color flock problem doesnt change over time. A color visual sensation problem isnt always inherited. In rough cases, a psyche lavatory have an acquired color vision problem. This can be caused b y: * Aging. * Eye problems, such as glaucoma, macular degeneration, cataracts, or diabetic retinopathy. * Injury to the eye. * Side effects of both(prenominal) medicines. What are the symptoms? The symptoms of color vision problems vary: * You whitethorn be able to see some colors but not others. For instance, you may not be able to tell the discrimination between red and green but can see blue and yellow.

* You may see many colors, so you may not write out that you see color otherwise from others. * You may sole(prenominal) be able to see a few shades of color, turn m ost people can see thousands of colors. ! * In old cases, you may see only black, white, and gray. How is color blindness diagnosed? Tests pass judgment how well you actualise different colors. * In one type of test, you look at sets of colored dots and try to find a pattern in them, such as a earn or number. The patterns you see help your doctor know which colors you have nettle with. * In another type of test, you represent colored chips in mark according to how similar the colors are. People with color vision problems cannot arrange...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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