The most common cause of color blindness is an inherited problem or variation in the functionality of one or more of the three classes of cone cells in the retina, which mediate color vision. The most common form is caused by a genetic disorder called congenital red–green color blindness. Males are more likely to be color blind than females, because the genes responsible for the most common forms of color blindness are on the X chromosome. Non-color-blind females can carry genes for color blindness and pass them on to their children. Color blindness can also result from physical or chemical damage to the eye, the optic nerve, or parts of the brain. Screening for color blindness is typically done with the Ishihara color test.

There is no cure for color blindness. Diagnosis may allow an individual, or their parents/teachers to actively accommodate the condition. Special lenses such as EnChroma glasses or X-chrom contact lenses may help people with red–green color blindness at some color tasks, but they do not grant the wearer "normal color vision". Mobile apps can help people identify colors.
Please summarize the causes and cure for color blindness given in the passage?
The most common cause of color blindness is genetic disorder. Males are more likely to be color blind than females, because the genes responsible for the same are present on the X chromosome. Females who are non-color blind could still carry and pass on genes for color blindness. Any kind of physical or chemical damage to the eye, optic nerve or brain could also lead to the same.

There is no cure for color blindness. Affected people can actively accommodate the condition or use special glasses or lenses that can help people with red-green color blindness to a certain extent. There are mobile apps available as well to help identify colors.