Question 1

effect of color blindness on normal protein function?

Accepted Answer

No effect: Other than the change in the color receptive molecules in the eye. Color deficiency has no effect on protein metabolism or any other aspect of the rest of the eye or body.

Question 2

what is the rate of occurrence of color blindness in the u.s.?

Accepted Answer

Rates: Occurrence is the number used to show how many new cases of something are diagnosed per year. Prevalence is the number of actual cases of the diagnosed condition present at any one time. Approximately 1 in every 75 people have a diagnosis of "color blindness.".

Question 3

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

Accepted Answer

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.

Question 4

how can  someone become color blind?

Accepted Answer

Mostly genetic: By far the most common cause of color deficiency is a lack of 1 of 3 types of cones in the retina. This is inherited on the x chromosome. Which means it's most often passed on to sons from mothers. The mother's dad usually has the condition. Less common causes are medication toxicity and conditions affecting the retina or optic nerve, like ms + retinitis pigmentosa.

Question 5

why is my brother color blind when i'm not?

Accepted Answer

Are you female?: Color deficiency is most common in males as it is carried on the X chromosome.  Your brother has an equal chance of getting one or the other X from your Mom and one of these had the deficient gene.  If you are male, then you got the other one.  If you are female then you might have one deficient X gene but your other, from your father, is normal.

Question 6

how do we know humans aren't the ones color blind?

Accepted Answer

Psychometric testing: Psychologists have devised testing using an animal preference choice to determine which colors they can discrimminate.  They can also observe the colored light absorption by individual photoreceptors with highly sophisticated laboratory apparatus.  So we now have a good idea of the color perception (or lack of perception) of most major animal groups.

Question 7

i'm wondering how does it looks to be color blind ?

Accepted Answer

Apparently normal: The color blind see well and though they might make mistakes in color recognition that a color normal would not, they see everything out there as normal to them and few have any difficulty.

Question 8

what is the definition or description of: color blind?

Accepted Answer

Color perception low: 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 significant and affect employment.

Question 9

how can you determine whether you are color blind or not?

Accepted Answer

Do the Ishihara test: A person can determine if he is color blind by taking the ishihara test. This test consists of 38 circles of colored dots. Each of the circles of dots contains a hidden number made up of certain colors of dots. Depending on whether or not a person can read the number in the circles, his type of color blindness can be diagnosed. Parts of the ishihara test are posted on websites for people to use.

Question 10

how come some people are color blind and some people are not?

Accepted Answer

Color Blindness: Color blindness is a manifestation of a wide array of diagnoses.  It may be inherited as in x-linked color blindness (affecting males only) or acquired as in optic neuropathy.  A long list of abnormal genetic diseases may cause color blindness including achromatopsia and others.  Some forms of color blindness are relative and some are absolute where the patient only sees shades of gray.

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What protein does color blindness effect

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Effect of color blindness on normal protein function?

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

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

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How can someone become color blind?

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Why is my brother color blind when i'm not?

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How do we know humans aren't the ones color blind?

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I'm wondering how does it looks to be color blind ?

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What is the definition or description of: color blind?

A member asked:

How can you determine whether you are color blind or not?

A member asked:

How come some people are color blind and some people are not?

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