Colour blindness can be simply defined as trouble in seeing or identifying colors like blue, green, and red.
There are some rare cases where a person cannot see and identify any colors at all. A person with this syndrome also finds difficulties in differentiating the colors with shades.
Causes of Colour Blindness are:
Damage is caused to the brain or eye or nerve cells.
Genetic disorders.
Side effects of drugs.
Use of tobacco and alcohol.
The life expectancy of Colour Blindness:
The life expectancy of a color-blind person is normal.
There are no other abnormalities associated with the condition. Although there is no cure with visual aids and training, they can perform daily activities normally.
The person suffering from color blindness has a life span the same as a normal life span as it only affects the sight, not the life.