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Doctor insights on: Effects Of Color Blindness

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Effects of being color blind?

Effects of being color blind?

Minor: Depending upon the degree of your deficiency, you will be able to function for most activities (for instance traffic lights are a color designed to be seen by the color deficient). Occupations with issues for you: painter, fruit grader, electronic assembly worker, gemology, appraiser, artist. Legal restrictions for police work, pilots, boat captains.

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Dr. David Chandler
77 doctors shared insights

Color Blind (Definition)

Ophthalmologist prefer to use the term color deficit as blindness conveys other meanings. Lowered color perception can be inherited (many forms), can result from advanced loss of retinal cells, inherited retinal disease, and some forms occur due to CNS injury. There are excellent tests for the various types and they can be functionally ...Read more


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What is the rate of occurrence of color blindness in the u.S.?

What is the rate of occurrence of color blindness in the u.S.?

About 8%: The standard statistics for inherited color deficiency is about 7.5% in males and 1/2 % in females. This can vary somewhat with different racial groups. The degree of color deficiency and the type are variable so your ophthalmologist can test you and see in which category you are if that is important to you and also give you information about your family possibilities.

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Is it common to develop color blindness in your mid 20's?

Is it common to develop color blindness in your mid 20's?

Rare: Color deficiency is inherited at birth. A few global diseases of the retina and rare strokes of the brain can affect color vision in an adult, but these are rare.

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What makes a person color blind?

What makes a person color blind?

Genetics: Several genes are responsible for allowing our retinas' receptors to record the different colors we see. Occasionally, someone develops a mutation that prevents some of the colors to be recorded. This makes differentiating certain shades or colors difficult.

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Is there any way to be sure if i'm color blind or not?

Is there any way to be sure if i'm color blind or not?

Test your color sigh: You can get a clue by using a test chart. The following link will help. The colors are not perfect in internet charts but are a pretty good clue: > Copy and paste this on your url line to get to the test plates. There are many others on line.

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What is color blindness?

Color blindness: Color blindness is a congenital or acquired condition whereby a person cannot see certain colors well because the parts of the eye that receive those wavelengths of light do not function well. For example, some people are born with red=green color blindness. They cannot see the color red or green well. Those colors would look gray or "washed out". Special tests can determine color blindness.

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Is color blindness common?

Sort of: About 8% of males and 1% of females have some degree of color perception dysfunction. So it is sort of common but not the majority. It is inherited so the family connection is important and can be traced.

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What is color blindness ?

Color blindness: Color blindness is the inability to see certain colors adequately. This is an inherited condition (x-linked recessive) that affects men much more than women. The defect is in the retina and involves a problem with color sense in pigment granules. The commonest affect is trouble distinguishing red from green. See your doctor for an examination and proper treatment.

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What causes color blindness?

What causes color blindness?

Mostly genertic: In inherited color deficiency, a visual pigment has its spectrum of color reception altered to a small degree and to a large degree in those with high degree of this disorder. The photoreceptor count is the same, so the acuity is not lost - just the color recognition. There are a few less common color vision losses due to advanced retinal, optic nerve and CNS diseases.

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How is color blindness treated?

How is color blindness treated?

Not possible: Most color blindness is inherited and permanent. A few are acquired from retinal global disease or a few rare strokes in the brain. No treatment is possible.

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Is color blindness reversible ?

May be : There two main kind of color blindness one genetic in nature and the other acquired, the genetic one is not revisable, the second in some cases it is.

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Color blindness, is this normal?

Color blindness, is this normal?

Not quite: It is "normal" for those who have it. For those with actual normal color vision, it would be abnormal to lose it.

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Can I correct my color blindness?

No: I assume you have inherited color deficiency. This is a permanent change in the pigments of your light receptors altering the light detection spectrum. This cannot be improved. The use of a red contact lense is suggested as an improvement, but this merely shifts the axis of the defect to another direction to allow passage of color detection plates but leavers you color blind in new direction.

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How is color blindness inherited?

Sex linked: The most common form is carried on the X chromosome and so it manifests more commonly by far in males who lack a corresponding X (as women do ) to compensate (males have a sort Y chromosome). It is therefore passed on to a male child from his mother who carries a defective X (and most likely a normal X matching it so she is not color deficient.).

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Do color blind people lack cones?

Do color blind people lack cones?

No: Color blind people have a set of rhodopsin light receptive pigments that are shifted in spectrum, giving a narrower range of color perception. Except for a few very rare forms, they have a normal cone count and so their acuity is normal.

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Who is at risk for color blindness?

Males: Color blindness is most commonly a genetic condition. It is usually sex linked, and more common in males. Therefore males with a family history of color blindness would be at higher risk.

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Whats ishihara color blindness test?

Whats ishihara color blindness test?

Color plates: The ishihara test plates are a series of dots of various colors with an embedded number or symbol which cannot be easily seen by the color deficient due to color confusion. They are the most commonly available test in ophthalmologists office although others are also available and some are better at separating the forms of color deficiency out. Ishihara is a good screening test.

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How does color blindness be acquired?

Retina, optic nerve: Traditional color blindness is inherited, with 8% of men being red/green color blind. Acquired color blindness can be from any condition that affects the macula (macular degeneration and others) or the optic nerve (optic neuritis, or optic nerve atrophy). This is not red/green, but often the color red is poorly seen. Cataracts can filter out the color blue and cause yellowish vision.

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How does one contract color blindness?

How does one contract color blindness?

Eye'veGotYouCovered: You don't contract it,you inherit it.It's a mostly genetic disorder.Color blindness is a usually a genetic (hereditary)condition(you are born with it).Red/green and blue color blindness is usually passed down from your parents.The responsible gene is carried on the X chromosome, the reason why many more men are affected. Non-genetic causes can be rare diseases that affect the eye and brain nerves.

Dr. Damien Luviano
61 doctors shared insights

Blindness (Definition)

Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more


Dr. Tim Conrad
439 doctors shared insights

Loss Of Vision (Definition)

Loss of vision reflects the inability to perceive images. Such a phenotype can be due to occlusive or barriers to light (e.g. cataracts) through retinal alterations (e.g. wet macular degeneration) to optic nerve lesions (e.g. from a pituitary adenoma) to central nervous system ...Read more