Doctor insights on:
Color Blindness Dominant Or Recessive
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
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
Nearsightedness is a recessive trait. red-green color blindness is a sex-linked recessive trait, what does this mean?
An Autosomal: Recessive disorder: Both parents are unaffected carriers of a mutant gene. Each of their children has a 25% chance of inheriting the mutant gene from both & having the disorder. X-linked recessive: Mom carries a defective gene on one of her X chromosomes. Each son has a 50% chance of inheriting the X chromosome with the mutant gene & having the disorder; each daughter, 50% of being a carrier. ...Read more
Red-green color blindness is caused by an x-linked recessive gene. In a family, the mother is a carrier of this gene while the father does not have the gene. What are the possible effects on their children?
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
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
No cure: Most color blindness comes from a genetic alteration in your light receptive pigments in the retina. This cannot be altered by current knowledge and technology. If you are 45 years, you probably will have adapted by now and chosen an occupation in which color recognition is not critical. ...Read moreSee 1 more doctor answer
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