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Doctor insights on: Disturbed Color Vision

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How can people with normal color vision see the world?

How can people with normal color vision see the world?

Normally: This is the fortunately typical case. The eye takes in the visual input, converts it to an electrical signal which goes to the brain for interpretation and the picture of the world is generated in your consciousness. If the color vision is normal, than the image is fully color. ...Read more

Dr. Richard Bensinger
1,666 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Can someone tell me how people with normal color vision see the world?

Can someone tell me how people with normal color vision see the world?

Normally: I am guessing that you yourself are color deficient in some way. We define the spectrum of what is seen by the "normal" as normal color vision. Such a person can make distinctions between colored objects that you will not find possible. This can be demonstrated to you but unfortunately since you lack that ability, it will not have great significance for you. ...Read more

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Does being exposed to green lighting (or some other color) 40hrs a week damage or alter my cones or color vision?

Does being exposed to green lighting (or some other color) 40hrs a week damage or alter my cones or color vision?

No: If the exposure is prolonged, you might experience some altered color vision aftereffects but the eye quickly remanufactures the proper light receptor pigments and the color vision you had before will be restored. ...Read more

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Whats "impaired" color vision?

Whats "impaired" color vision?

Imperfect perception: Impaired color vision is when a persons color perception is more limited than a "normal". The degree of impairment is related to the degree of inability to distinguish color differences. There are good tests to make this determination. in your ophthalmologist;s office ...Read more

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What is impaired color vision?

Color mistakes: Mostly this is an impaired ability to recognize colors across certain color confusion axes. This is usually inherited and there is no treatment. It occurs mostly in males -7%- and also in females -1%-. But there are acquired forms in generalized retinal disease like diabetes or in optic nerve disease. Your ophthalmologist can sort this out. ...Read more

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How is this color vision test taken?

Using a color chart: Using a standard color chart with colors easily distinguishable they are pointed to and you are asked to identify the colors. This test is done to identify color blindness which is a hereditary condition. ...Read more

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What is "impaired color vision" like?

What is "impaired color vision" like?

Dull colors: Colors will seem duller and in some cases grey or black instead of the true color. ...Read more

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Could you explain what is "impaired color vision"?

Poor color recogniti: Impaired color vision comes from several inherited forms (90% in males) with poor distinction between ordinarily easily recognized color differences. It can also occur with advanced retinal disease and a few rare CNS diseases. In all cases, even with good acuity, colors will be confused. ...Read more

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What is the best treatment for color vision?

What is the best treatment for color vision?

None: There are colored lenses and contact lenses which can shift the axis of color perception so that you might correctly identify some color vision test plates that you would miss with the naked eye. But these devices shift your deficiency to a new axis; they do not treat the condition which is permanent and usually inherited. ...Read more

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Who should be tested for color vision deficiency?

Who should be tested for color vision deficiency?

Security, drivers: Good color vision is vital for recognizing various lights and signals important to pilots, especially at night. These tests are required by, among others, the coast-guard and most military and emergency services. Unfortunately, if you really are colorblind, there is very little you can do to pass these tests. ...Read more

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