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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
What colors do you mix to get all colors?
You cannot mix anything to get red. Red is what is known as a 'primary' colour and cannot be made by mixing others. Another primary colour is blue.
You cannot mix anything to get red except for using magenta and yellow -although this produces more of an orange/brown.
What are the good and bad effect of being blind?
when one of your senses is not working, your body makes up for it with your other senses. for example, if you can't see, you may have better hearing or sense movements on the ground that others with vision may not have felt. you might smell things others don't and etc.
How can you describe the color orange to a blind person?
Tell them if you ever see something other than the dark or nothing, that's the sun. The sun is seen as the color yellow. Those specks are bright. Yellow is a very bright color. Yellow is almost the opposite of what you see. But it's just barely dark enough to see. What you see now is black, or the darkest color/shade.
What does it mean if you're color blind?
When someone is color blind. This means that the color reflection of the object goes either past or misses your retina. If your retina is not functioning correctly, then you would have trouble seeing colors. Colors could get mixed up or you just see black and white.
Do white babies have blue eyes?
Usually, when children are born, their eyes aren't the natural color. Then when babies get 4 or 5 their eyes turn to the natural color.
Examples:
* When I was born, I had blue eyes, and I am a white american. But when I grew up, I ended up with brown eyes. * When my mom was born, she had brown eyes, and she is a white american. But when she grew up, she ended up with green eyes.
How can you describe the colors in the rainbow to a blind person?
According to a user on the American Foundation for the Blind web site, it is difficult to describe different colors as they have no comparisons. And yet I found on another web site someone who had a valid point in comparing colors to every day objects. Blue would be ice, grass for green and so on.
Colors are made from the light spectrum. The more light an object reflects is dependent on its color. Black is not a color, it absorbs all light and heat which is why it is black. White reflects all color which is why it is white, if you like you can say white is every color. other colors absorb or reflect different lights and so make up the millions of shades and hues in between white and black.
Answer:
Colors is first of all not what most people think they are.
I would like to start off by saying that colors does not exist where as light does exist.
Imagine that the entire room you sit in is entirely dark. All 'black'. As a consequence, everything you perceive as colors have vanished. Everything is darkness. No colors at all.
Now to the Light. What is light made out of?
Light is made out of electromagnetic waves. Much like ripples in water (very low frequency). Or like sound waves (Music, noise or speech, 20-20.000 Hz). Or like radio waves (100 khz up to many Mhz)
White Light as we know it consist of a multitude of extremely high frequencies of electromagnetic energy.
And colors? What makes up the colors we see?
Our eyes are made with receptors that react to different wavelengths of light.
Lets simplify the spectrum of light and say that only Red, Green and Blue wavelengths of light exist. When these wavelengths are combined, we perceive this as White. No color at all.
When the White light hits an object, then this object may reflect most of it and we perceive the object as being plain white.
If the object absorb Green and Red wavelengths, then we would say the object is Blue, because it reflects the blue wavelength.
If the object absorb Green and Blue, then we would say the object is red because it reflects the red wavelength.
In the real world, different objects absorb different wavelengths of light to a varying degree. The remaining reflection will be the color we perceive the object to be.
An object that absorb most all light will be perceived as being black. No light to give the indication of a color. This is also why Black is not considered a color even though we think of it as being one.
White is likewise not a color. It is in fact an even mix of all the other colors.
Can a colorblind person study engineering?
You can, but it may be difficult to desipher wire colors and things like that. I have a friend who is partially color blind who has taught himself to recognize what a person with regular color vision calls colors.
Are there glasses or contacts for color blindness?
I do not believe color blindness is correctable with any type of lens. It is caused by the absence/malfunction of the proper structure (cones) within the eye to detect certain wavelengths of light and thus, certain colors.
Red lenses will help with the test for color blindness.
The back of your eye (the retina) is full of sensor cells (rods and cones) each sending out a signal through a nerve part called an axon. The place where all the axons meet to form the optic nerve (a nerve bundle), doesn't have any sensor cells. That's the blind spot. (The sensors can't overlay the nerve bundle at that point on the retina.)
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Does the mother or father pass on the color blind trait?
It depends.
If the child is male, the person to pass the trait on must be the mother. She may be a hybrid or color-blind herself for her to be capable of doing this. If the child is female, the father must be color-blind in addition to the mother being a carrier. Both have to donate the recessive gene to their daughter.
No, color blindness is not infectious. Many times it is a genetic disability, and while it is possible to receive a color vision deficiency, it is impossible to 'catch' it; in order for color blindness to be infectious, it would have to be caused by an infection of some sort, and that is not the case. However, if it runs in your family, there is the possibility for you to obtain it.
Are there glasses to help colored blind people see more colors?
You can wear any glasses you want so long as the prescription is right for your eyes. There are no glasses that will make your color blindness go away if that's what you're thinking.
How does a person become color blind?
Color blindness is a recessive genetic condition that lies on the X chromosone.
Since it lies on the X chromosne men are two times more likely than females to have colorblindness because men have one x chromosone and females have two.
How do boys get the characteristics of color blindness from their mothers?
well your born with it, its like a screw up with the genetic code, now youll have a different trait
Why do females live long than males?
The reasons women live longer than men:
- They do less dangerous jobs (typically), including fighting at war
- Mitochondria mutations can be damaging to men.
- Men smoke more (typically)
- Men take more risks (typically)
- Women develop heart problems later
- Women have better immune systems - they age slower, and are harder to wear down.
What colors are opposite each other on the color wheel?
They are called complementary colors.
The three primary colors on the color wheel are red (complement green), yellow (complement purple) and blue (complement orange).
When used together, complementary colors (such as red and green) appear to be more intense than they do when used alone or with colors closer to them in the color spectrum.
Complementary colors are the color pairs that are opposite of each other on the color wheel. Such as green and red.
Yes,Well kinda Just like some other animals penguins are Half Color blind. Some penguins are full but they are very rare to find. Its half and half. Alot of people say "No" But they are wrong, very wrong. It's common and normal. End of story.
Dogs can't see bright colors like humans do but they can see soft, very light colors of only certain colors, they are limited.
How can you describe an egg to a blind man?
The problem a blind person has is that they cannot tell when the water is boiling. So they should boil eggs in a poacher. Depending on how much water you use you can end up with soft, medium or hard boiled eggs. The state commission on the blind has items that can help blind people do kitchen tasks, like measuring water. Or some poacher/cookers have indentations in the lid that a person can feel so they know how much water to poor in.
My mother is blind and this is how she does it.
