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Doctor insights on: Is Color Blindness Fatal

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Can having color blindness be fatal?

Can having color blindness be fatal?

No: Color blindness is usually an isolated issue with no pathologic effect on the body. The only fatality would be if someone who is color blind, is in a situation to, for instance, read signals which can be misinterpreted and lead to a fatal accident. The color lenses in signals liike traffic signals and railroad signals are now designed so that the color deficient can read them correctly. ...Read more

Dr. David Chandler
78 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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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. ...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. ...Read more

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Signs of child being color blind?

Signs of child being color blind?

Depends upon age: Obviously inability to distinguish between red / green colors. Some have trouble with blue/yellow. It does assume the child knows his colors. I am not aware of a condition where no colors are seen. These are usually specific to certain colors. ...Read more

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How to determine if someone is color blind?

How to determine if someone is color blind?

Testing: The most common type of "color blindness" is red-green color deficiency. Blue-yellow deficiency or true color blindness (achromatopsia) are rare. Color testing can identify which. The problem is a lack of certain types of cones or their opsins (light-sensitive compounds). Red-green deficiency can be adapted to fairly easily and is not very limiting, but the others can significantly impact vision. ...Read more

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What happens when you go completely color blind?

No good: If you are progressively losing your ability to distinguish different colors at your young age, you need to seek medical attention.
"normal" color blindness is present at birth and not progressive. ...Read more

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What are the different ways to being color blind?

What are the different ways to being color blind?

Several types: There are several different types of inherited color deficiency varying in spectrum and intensity. You can lose color recognition by advanced retinal disease like diabetes or retinitis pigmentosa. Optic nerve disease can change color recognition and there are a few rare cortical strokes that can do this. ...Read more

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What exactly are the different ways to being color blind?

Varied: The most common type of "color blindness" is red-green color deficiency. Blue-yellow deficiency or true color blindness (achromatopsia) are rare. Color testing can identify which. The problem is a lack of certain types of cones or their opsins (light-sensitive compounds). Red-green deficiency can be adapted to fairly easily and is not very limiting, but the others can significantly impact vision. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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What's 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. ...Read more

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What sort of disease is color blindness?

Color vision anomaly: Color blindness is a misnomer, as most color blind people see some colors, they just see the hues differently than the norm. This can be an advantage if looking at camoflage. Our cone cells come in three types to see red, blue and yellow, and the receptors in color vision defect patients are either lacking or at lower levels than i. ...Read more

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What are the symptoms of color blindness?

What are the symptoms of color blindness?

Color mistakes: Color blindness (we call it deficiency) causes failure to distinguish colors along certain patterns of confusion. So a red-green deficient person cannot make that distinction between objects of those shades. From a practical standpoint, color deficiency is a bar to certain occupations such as fruit grader, electronics assembly, some law enforcement jobs, certain types of painting, etc. ...Read more

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What is the frequency of color blindness?

What is the frequency of color blindness?

See below: Congenital color blindness is much more common in males since some (the red and green) of the color photopigments are on the x-chromosome (men only have one [xy] while women have two [xx]). Less than 10% of the population has any form of color blindness (there are several types). Acquired color blindness can be due to macular, optic nerve, or brain disease/trauma. ...Read more

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What is the occurrence of color blindness?

What is the occurrence of color blindness?

8% males 1/2% fem: Color deficiency is mostly an inherited defect of the light receptors with a strong sex linking. Therefore much more common in males. Some cases of lowered color deficiency can occur in global retinal losses such as advancing diabetes and there are a few rare central nervous system color deficiencies as reported by oliver sacks. ...Read more

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Mention the 15 facts about color blindness?

Mention the 15 facts about color blindness?

Is it a quiz: I like your post - color vision deficiencies can be classified as acquired or inherited, color blindness may be described as total or partial, may be regarded as possibly having some advantage over the long term, such as better discrimination of color camouflaged objects especially in low-light conditions, pertains to the cone photoreceptors in retinas, brain or retinal damage by shaken baby syndr. ...Read more

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Are there different kinds of color blindness?

Are there different kinds of color blindness?

Yes: The most common type is red-green, which is passed from a female to a male. Only the male is color blind, the female is the carrier and passes it to the male. ...Read more

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What the 3 types of sex-linked color blindness?

What the 3 types of sex-linked color blindness?

Color Blindness: The majority of color vision deficiency (note I didn't say blindness as visual acuity is not usually affected) comes from a genetic disturbance causing poor or absent development of one or more familia of cone (color-receptor cell) in the retina. Most sufferers are male, since the genes for color vision reside on the X chromosome, only one of which is present in a male (XY versus XX in a female). ...Read more

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What are the different kinds of color blindness?

What are the different kinds of color blindness?

Several: The major ones are confusion of red and green/ blue and yellow/ and an off green and off red. Most common are subtle forms of these which allow major color differences to be seen. We test these with color confusion plates that are subtle and strong, to make the distinction. Color vision is also lost with advanced diseases like diabetes and retinitis pigmentosa. ...Read more

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What is the rate of occurence for color blindness?

What is the rate of occurence for color blindness?

8 %: Color blindness is an inherited deficiency in color recognition which occurs in about 7.5% of males and 1/2% of females. There are some variations in different racial and country groups. It is generally not functionally a problem except for certain occupational groups such as fruit graders, painters, etc. ...Read more

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What are the corollaries of getting color blindness?

What are the corollaries of getting color blindness?

Color deficiency: Most people, more often men, with color deficiency will make inappropriate color recognitions and matches. Their acuity is usually normal. It is isolated and has no bearing on any other aspect of general health. There are a few really rare eye degenerations with lowered vision and color deficits but these are inherited. ...Read more

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I was wondering what are the different types of color blindness?

A Rainbow of answers: Protanomaly- less red sens.
Deuteranomaly- less green sens (most common)
tritanomaly- less blue sens (rare)
achromatopsia- see shades of gray (really rare)
red-green color blindness (people with prot and deuteranomalies at the same time)

worldwide, men are 15x more color deficient as women. ...Read more

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Is color blindness a dominantly or recessively inherited problem?

X-linked: The most common type of colorblindness is x-linked which means it occurs much more often in males and is carried but unexpressed in females. ...Read more

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How can I prevent color blindness?

You cannot: Color deficiency is an inherited condition in which the colored light receptors have a spectral shift or are completely lacking in one type of color receptor. The receptor count is usually normal so acuity is not affected. This occurs more often in males. There are no known fixes. ...Read more

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Is there a cure for color blindness?

No: This is an inherited deficiency in the spectrum of the photoreceptors in your retina. Red color contacts have been proposed for relief but these merely shift the axis of non-recognition inducing a new type of color deficiency. There is no cure although a stem cell bit of research has worked to improve the color recognition in laboratory animals. ...Read more

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Can glasses make color-blindness worse?

No: Color blindness is a genetic defect and not influenced by whether or not your wear glasses. ...Read more

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How does color blindness affect driving now?

Red green lights: In most cases red-green color discrimination is defective, but most people cope with it by using the position of various colors as the indicator rather than the color. ...Read more

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What are some ways color blindness limit guys?

Critical occupations: In some occupations, color discrimination may be a critical part of the job, e.g., airline pilots, and colorblindness may limit access to those jobs. ...Read more

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Could car accident be related color blindness?

Could car accident be related color blindness?

It depends: If the car accident was severe enough, you could have experienced a partial retinal detachment in the area of the retina that is responsible for color vision. A thorough history and physical examination is warranted by your primary care physician and/or ophthalmologist. ...Read more

Dr. Damien Luviano
64 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
443 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