Thursday, November 30, 2017


Throughout history, individuals have suffered from deficits in vision. This comes in the form of progressive vision clarity declination, blindness, a lack of cones and/or rods, and other degenerative eye diseases. However, one vision deficit that I found extraordinary was color-blindness. Color blindness occurs when you are unable to see colors in a normal way. Most commonly, color blindness (also known as color deficiency) happens when someone cannot distinguish between certain colors, usually between greens and reds, and occasionally blues. It's a common problem that affects around 1 in 12 men and 1 in 200 women.
There are tests designed to evaluate whether an individual is color blind. the Ishihara test, where you're asked to identify numbers contained within images made up of different colored dots. The other test is analyzing color arrangement, where you're asked to arrange colored objects in order of their different shades. Fortunately, there are a set of glasses designed for individuals who are colorblind to effectively see colors.
There are difficulties that are paired with individuals who are color blind. These individuals have difficulty at school if colors are used to help with learning. They may have problems with food, such as determining whether meat is fully cooked or whether fruit is ripe. Medications are sometimes labeled with color differentiations, which may cause concerns. Also, it can slightly limit career opportunities. Jobs such as becoming a pilot, train driver, electrician, and air traffic controllers may require accurate color recognition. However, if a color-blind individual wishes to pursue one of these professions, they can use the glasses designed to detect and see colors. Color-blindness is a unique phenomenon, altering individual’s perception of what typical individuals are capable of seeing.

Color blindness test:

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