Color Blindness is more common in men.
Color blindness occurs when a person cannot distinguish between certain colors. Majority of people with deficient color vision is hereditary and has been inherited from their mother.
Men are much more likely to be color blind than women because the genes responsible for the most common, inherited color blindness are the X chromosome. Men have only one X chromosome while females have two X chromosomes.
Different types of color blindness are:
– Red-green color blindness, the most common;
– Followed by blue-yellow color blindness;
– And a complete absence of color vision.
However, total color blindness is rare. Most blind people can see things as clearly as others, but they cannot completely see red, green, nor blue color.
There are varying degrees of color blindness. Some people with mild color deficiency can normally see colors in good light, but they have difficulty in dim light. Others are unable to distinguish certain colors in any light. The most severe form of color blindness, in which everything is seen in shades of gray, is unusual. Color blindness usually affects both eyes equally and remains stable throughout life.
Color blindness has no cure. However, individuals with red-green color blindness may be able to use a unique set of lenses to assist them perceive colors more precisely. This is not available locally but these lenses can only be used outdoors under bright light circumstances. Visual aids were also created to assist individuals deal with color blindness.
The Ishihara Color Test is the most common test of red-green color blindness. The experiment comprises of a sequence of colored squares, each of which includes a set of squares in distinct colors and dimensions called Ishihara tables. There are points within the ring that are obviously noticeable to those with ordinary color vision but unseen or hard to see for those with red-green blindness.
Take the Ishihara Color Blindness Test now to find out if you are color blind. Be aware that the display settings of your screen can affect your test result.