Doctor insights on:
What Parts Of The Body Are Affected By Color Blindness
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
Can you advise for bio question- a mother has red-green color blindness. her husband is not affected.?
Inheritance: For a woman to have red-green color deficiency she has inherited an defective gene both of her parents. This means all of her children will carry the defective gene. If her husband is normal then only the mother can pass on the trait. So: all of their sons will be color deficient and all of their daughters will be a carrier with one normal (from DAD) and one abnormal (MOM). ...Read more
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 moreSee 1 more doctor answer
I'd always known about color blindness as a sex linked inheritable disorder. But i read on wikipedia that it can also be acquired. How?
Testing device: These are a group of color vision recognition and confusion plates, discs and lights to determine the degree and type of color deficiency that is present in a test subject. Some are standard in ophthalmologists office and others are in laboratories. And some are available on line for anyone to test themselves. ...Read moreSee 1 more doctor answer
Yes: There is no driver's licensing testing or criteria that includes testing for color recognition. This includes commercial driver's licenses as well. Traffic lights are set with a spectrum that the color deficient will not make a mistake. So ---- the color blind can drive. ...Read moreSee 1 more doctor answer
Mostly inherited: The most common forms of color blindness are inherited. They are that way from birth. Less common is developmental such as advanced diabetic retinal disease which fades out color recognition. Retinal degeneration like retinitis pigmentosa lead to color blindness and there is a rare form of stroke which can cause cortical color blindness. ...Read moreSee 1 more doctor answer
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