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The World Seen By Color Blind People


Color blindness is a genetic condition that affects about 8% of males and 0.5% of females. Those who live with this condition have trouble distinguishing red from green or blue from yellow. Being color blind can make learning, buying fruit, choosing clothing and reading traffic signals difficult. The condition is hard to detect until a test like the Ishihara color test is administered.

An ophthalmologist named Shinobu Ishihara introduced the test in 1917, and it includes a series of colored dotted plates, each showing a different number. In one plate, a person with normal vision sees the number 74. However, people who are colorblind will either see the numbers 71 or 21; and a small percentage of those who are colorblind will see just a bunch of red, brown and green circles.

For those with normal vision, it’s easy to distinguish between red and green apples, but for those who are colorblind, the only way to really tell the difference between the two is by their taste. In one photo, the left side shows how the apples appear to those with normal vision, and the right side is through the eyes of the colorblind. As you can see, the red apple appears to be a darker green, while the green apple is just a muted and more dull shade of its original color. You can see how difficult grocery shopping could be for a colorblind person.
If you were reaching into a bowl of colorful jellybeans, you probably wouldn’t think twice about which color you picked, right? But something as easy as selecting a red jellybean can be extremely difficult for colorblind people. In the photo on the left, you can see how jellybeans appear to those with normal vision. The photo on the right depicts how colorblindness changes the hues of the jellybeans. The red, orange and yellow beans have seemed to vanish, and all that’s left are blue and various shades of green jellybeans.

An adorable photo of a young child holding the Canadian flag has been altered so that we can get a better idea of how the world looks for those who are colorblind. Oe side shows the original photo, and those with normal vision can see the red in the flag in the background, as well as the red in the flag that’s covering the child’s face. The other side shows what someone with red-green colorblindness would see. There isn’t any red in the flags at all, and the hint of green in the child’s T-shirt is also washed away.

Another photo shows a beautiful woman kneeling in a field of bluebonnets. She’s wearing a dazzling red dress, and the hundreds of flowers sprouting up in the background is the perfect backdrop. For a person with red-green colorblindness, they are able to distinguish the color of the bluebonnets, but they aren’t able to see the woman’s red dress nor the green grass. The scenery gets washed away in a sea of gray and brown shades.