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Color Blindness

Color blindness, also know as color vision defects, is the difficulty or inability to tell the difference between some shades of colors. Frustrations for those with color blindness include reading color-coded maps, buying clothing, and traffic lights.

912 Questions

How Did color blindness manifest itself?

its manifested in difficulty to differentiate between colours esp at night. for eg red colour could be perceived as green or purple.

Is there a way to remove color from polycotton blends in order to dye another color?

No, there is no way to remove color from poly cotton blends in order to dye another color. You can use two products called iDye and iDye Poly to change the color of your item of clothing.

Photoreceptor that is not used for color vision?

Rods are the photoreceptors that are not used in color vision. Rods are much more plentiful than the cones, and much more sensitive, they are responsible for scotopic vision.

How do you describe a bicycle to a blind person?

I have no I dear but someone better answer for I need this for school

Can wolves have bi-colored eyes?

Yes wolves can have heterochromia whether through genetics or health problems such as eye injury, inflammation, use of certain eyedrops, tumors, etc. The same also applies to just about every animal.

How common is blindness resulting from LASIK?

Loss of vision is possible with these procedures, but this complication is extremely rare.

What color is an owl?

All owls are different in many ways for example there is a snowy owl and a barn owl. A snowy owl is very larger and white while a barn owl is smaller and has a brownish color. All owls change from time to time in color and depends on there breed and their main colors.

The British Barn Owl is a pale cream color. Others have distinct dark markings.

What is color fusion?

Colour Fusion Make-up Artistry Our website address has changed. You can now find us at: www.colourfusionmakeup.com.au

What colors can blind people not see?

well normally they get mixed up with red and orange .They can see color but just faded

How can you describe the color white to blind person?

You can use tints and shades of gray to describe White.

Using black to shade and white to tint.

Since black and white are neutrals and not colors, you can use them to describe the color white.

What are cones and what is their role in the perception of color?

Cones are the light receptors on the retina of an eye that distinguish the various colors.

What colour cannot identify to cats and rabbits?

The only mammals that can tell the difference between red and green are primates.

Why one cannot see through the fog?

because the mist creates an effect that means the eye is oblivious to whats behind the mist

Are opossums color blind?

No. Tests have verified that they can determine the difference between colors.

Are there support groups for colorblindness?

I don't know of any actual ones, but online there are forums and websites where you can talk about colorblindness and share your experiences.

Why do color blind people confuse between red and maroon?

Because they are color blind: That's what the term means - difficulty distinguishing between different colors.

Is being gay more common in female or male?

This just in!

Recent research indicates that women are more likely to change sexual preferences over the course of their lives. This may well be an evolutionary response to take older females out of the running for mates, or it may indicate that women are more honest about their feelings. This may explain the difficulty researchers have had answering the question of relative incidence of homosexuality, and why some surveys have indicated that lesbianism is less common than male homosexuality. (No surveys to date have indicated that lesbianism is more common than male homosexuality.)

If you mix primary colors what colors do you get?

Primary colors are red, blue and yellow

red +blue= purple

red + yellow= orange

blue + yellow = green

Wrong.

Printing: yellow, cyan, magenta, plus black to make solid blacks.

Televison: red, green blue.

Who is qualified to administer a color blindness test?

Anyone can take a color blindness test, and they are freely available online, but only a qualified eye care professional can make an official diagnosis. These doctors are usually called 'optometrists'.

What color are catahula lepord dogs?

The coats of Louisiana Catahula leopard dogs usually contain a mixture of several colors, including black, gray, white, brown, tan, and chestnut. These colors appear as splashes, spots, stripes or a combination of patterns against a solid background, which is often black, gray or brown. The distinctive dappled appearance of the dog's coat is the basis for the Catahula's name, "leopard dog."