How do colorblind people see red playoffs
Color blindness: this is how those affected see the world
Many people are affected by color blindness. But how do color blind people see the world? Most people cannot even imagine that. An American scientist wanted to change that - and published impressive pictures from the perspective of color-blind people.
What color is this pen, does the T-shirt match the trousers, is the meat done? We don't need to think twice about the answer to these everyday questions - one look is enough and we know them. But for people with color blindness, they can be one of many challenges.
To make this clear, Jay Neitz, professor of ophthalmology at the University of Washington published a series of images designed to show what the world looks like to the color blind.
Color blindness, what is it?
Color receptors in the retina, the so-called cones, are responsible for color perception. There are three types of tenons - if you are color blind, one or more of them will not work.
On his website, Professor Neitz explains color blindness using a television as an example: “Your television mixes three different lights (red, green and blue) to produce all the colors that you recognize. Color perception works because of three different receptors (let's call them red, green and blue) that send signals to your brain - there this information is 'mixed' and you recognize the different colors. But what if your TV could no longer produce red or green light? That would be comparable to what happens when someone is color blind. "
Different forms of color blindness
The The term "color blindness" refers to a rare disorderin which no colors, only contrasts can be perceived. Color-blind people also have severely impaired eyesight during the day and are very sensitive to light. The reason for this is that the cones damaged in them are responsible for seeing during the day. The so-called rods are responsible for seeing in poor light conditions. Since these are not impaired in the case of color blindness, those affected can see as well as others in twilight and darkness.
Color blindness is mostly red-green blindness
Colloquial is with Color blindness but mostly meant the more common red-green blindness, which around five percent of the population suffer from - strictly speaking, this is not color blindness, but color ametropia. In the case of red-green blindness, the cones responsible for the red or green light do not work or both are inoperable. The pictures published by Professor Neitz show the view of a red-green-blind person.
Color blindness: is there any therapy?
There is no treatment that can correct color blindness or color ametropia. Special glasses for people with color deficiencies increase the color contrast, but cannot convey an unadulterated representation of reality to the person concerned. For those who are completely color blind, glasses with darkened lenses can help alleviate the strong sensitivity to light.
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