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Doctor insights on: Color Blind Eye Test

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How are the eye doctors test for color blindness?

How are the eye doctors test for color blindness?

Color charts: Most eye doctors own an ishihara color vision test booklet which can be used to determine if you are color deficient. There are other booklets as well, color caps, and other more sophisticated means to determine the degree and type of color deficiency you might have. ...Read more

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Dr. Lawrence Kale
99 doctors shared insights

Color Blindness (Definition)

Color blindness is a condition where an individual has a decreased ability or complete inability to detect differences between various colors. For example, red-green color blindness is the inability to distinguish between ...Read more


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Which type of tests would an eye doctor do to tell if someone is color blind?

Which type of tests would an eye doctor do to tell if someone is color blind?

Color vision tests: The most common is the ishihara color vision test, where there are a series of pages which have numbers created with dots of different colors. Those with good color vision seen one number, and those with color blindness see a different number. ...Read more

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If you are color blind in just one eye, how does the world look to you?

If you are color blind in just one eye, how does the world look to you?

Unusual: It is very unusual to have only one eye that is color blind. This condition is one that is genetic and affects both eyes. In these individuals, the world is in shades of gray. In individuals who have lost a great deal of color perception in one eye due to disease, things would also appear more dull, dim and grey than with their other eye. ...Read more

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If someone is color blind, will they be able to see certain eye colours?

If someone is color blind, will they be able to see certain eye colours?

Many: Most color defiencies have a confusion spectrum between certain colors (for instance reds and greens), but can see other colors close to normal. So they have a limited palette compared to color normal, but certainly can recognize certain colors. That would also include recognizing the various colors of others' eyes. ...Read more

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Does color blindness have anything to do with light eye color?

Does color blindness have anything to do with light eye color?

No: Color blindness is a genetic disorder. Among 10% of all males have some degree of color blindness. It is very rare in females due to its genetic pattern. See your eye doctor of a proper color vision test and diagnosis. Good luck! ...Read more

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If a bullet grazed your face close to the eye, could it make you color blind?

No: Color deficiency comes from inherited defects in the photoreceptors, or massive retinal loss from retinal illness (like advanced diabetes) , optic nerve disease or rare strokes in the cerebral cortex affecting color. The bullet passage you described cannot be a cause. ...Read more

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I have got macular dystrophy and I am total color blind. My eyes are highly sensative to bright light.What can be one to cure?

Not available yet: You have an inherited degeneration of the macular light receptive cells. Currently no cure is available. Much investigation is underway for these conditions. The best current hope seems to be in the use of stem cells but much work needs to be done. Keep in touch. ...Read more

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Dr. David Chandler
75 doctors shared insights

Color Blind (Definition)

Color differentiation difficulties are where a person has trouble distinguishing the difference between certain colors. One of the most common difficulties involves difficulty telling apart the ...Read more


Dr. Tim Conrad
616 doctors shared insights

Vision Loss (Definition)

Vision loss is where a person becomes unable to see to the extent that they were previously able. This can include a total loss of vision, a loss of visual acuity, or a loss of part ...Read more