Question 1

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 2

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 3

what makes a person color blind?

Accepted Answer

A genetic mutation: A person is born color blind because he has a mutation in the genes that are needed to see certain colors the way a normal person sees colors.  Most color blind people can see many colors, but the colors appear in a "different" hue, compared with how the colors appear to a normal person.  Very rarely does anyone have total color blindness and see only black, white, and gray.

Question 4

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

Accepted Answer

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.

Question 5

what is color blindness

Accepted Answer

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.

Question 6

how is color blindness treated?

Accepted Answer

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.

Question 7

is color blindness reversible ?

Accepted Answer

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.

Question 8

color blindness, is this normal?

Accepted Answer

No: Although colorblindness is a fairly common disorder in men, it is not normal.

Question 9

how is color blindness inherited?

Accepted Answer

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.).

Question 10

can i correct my color blindness?

Accepted Answer

No: There is no way to correct a person's color vision deficiency (color blindness), because his eyes are genetically unable to perceive certain colors (certain wavelengths of light). There have been contact lenses and glasses that alter the intensity or contrast among colors that the color blind person can see. With improved contrast, the person may distinguish objects, letters, or words more easily.

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