Colour blindness is not a form of blindness at all, but a deficiency in the way you see color.
You are colorblind if you have a difficulty distinguishing certain colors, such as blue and yellow or red and green.
Colour blindness is an inherited condition that affects males more frequently than females. An estimated 8% of males and less than 1% of females have color vision problems.
Red-green color deficiency is the most common form of color blindness.
Much more rarely, a person may inherit a trait that reduces the ability to see blue and yellow hues. This blue-yellow color deficiency usually affects men and women equally.
HOW TO DETECT COLOUR BLINDNESS AT A EARLY AGE?
It is a bit difficult to detect when a child has this difficulty or not, since children who are color blind do not know they have this disorder or alteration.
Here are some ways of how colour blindness can be detected in children:
The most used method is the: Drawing test. This is made up of multicolored dots where the child must distinguish the numbers within a drawing filled with dots of different colors.
The game of red and blue tiles, we can see that the child has difficulty differentiating between the two colors since it confuses them.
Painting a landscape. If we give children tempera and ask them to paint a tree, for example, we can easily observe if they confuse the colors or not, thus being able to anticipate detecting color blindness in them.
By asking the children to point out the colours.
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