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Doctor insights on: Yellow Green Color Blind

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If you have red-green color blindness, does red look the same as green?

If you have red-green color blindness, does red look the same as green?

Somewhat: The colors in color deficiencies lose their distinctive character (technically become desaturated) so that distinctions are blurred and many greens and reds in the most common form become poorly distinct. The actual color is not know as this is a psychological phenomenon and the color deficient identify many colors the same that a 'normal' would call distinct. ...Read more

Dr. Lawrence Kale
99 doctors shared insights

Color Blindness (Definition)

Color blindness is a condition where an individual has a decreased ability or complete inability to detect differences between various colors. For example, red-green color blindness is the inability to distinguish between ...Read more


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If you have red-green color blindness, what colors in everyday life are difficult to distinguish?

If you have red-green color blindness, what colors in everyday life are difficult to distinguish?

Varies: In red-green color deficiency there is a shift in the perceived spectrum of colors and some reds and greens appear the same while others can be distinguished. A more common form which is a deficiency instead of absolute blindness causes a saturation shift in perception of colors but a full palette of colors is possible with mistakes made in some recognition. ...Read more

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If a color blind person is red-green color blind, can they still see most shades of those colors normally?

If a color blind person is red-green color blind, can they still see most shades of those colors normally?

Altered perception: They will see shades of color in all colored objects but will but see the full range, so colors that might appear bright to you will seem attenuated to the color deficient and some colors will seem what you might term brownish. The mixture seen depends upon the depth of the color blindness in each individual. Because of this most color deficient persons adopt rather bland wardrobes. ...Read more

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Can a color blind person see a light green text on top of a dark green background?

Can a color blind person see a light green text on top of a dark green background?

Probably: A light color text on a dark background irregardless of the colors involved, would allow distinction based on the brightness of the text rather than the color saturation. For someone red-green color blind, the most common, if the print were light red and the background light green with the same reflectance, then the print probably could not be red by the red-green color deficient. ...Read more

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Can red green color blindness cause headaches?

No: The eye adapts to this dysfunction and headaches might occur from other causes but not from the color deficiency. ...Read more

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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

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Nearsightedness is a recessive trait. red-green color blindness is a sex-linked recessive trait, what does this mean?

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

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What is a color blind test?

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 more

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Dr. David Chandler
75 doctors shared insights

Color Blind (Definition)

Color differentiation difficulties are where a person has trouble distinguishing the difference between certain colors. One of the most common difficulties involves difficulty telling apart the ...Read more


Dr. Tim Conrad
616 doctors shared insights

Vision Loss (Definition)

Vision loss is where a person becomes unable to see to the extent that they were previously able. This can include a total loss of vision, a loss of visual acuity, or a loss of part ...Read more