Color blindness is a genetic defect in the cells, which are responsible for capturing colors in the retina. Color blindness is ranging from severe to moderate but does not affect visual acuity.

Symptoms

• Inability to distinguish between the colors and their brightness.
•  Inability to differentiate between colors and color shads especially red green, blue, and yellow.

Causes

•  Congenital color blindness is genetic
•  Acquired color blindness occurs due to diseases in retina or optic nerve.

Diagnose

Simple test performs if there is:

• Problem in color vision.
• Suspected damage in retina.
•  Inability to distinguish colors.
• A genetic history.

 Treatment

• There is no cure for congenital color blindness, but there is a special type of lenses may help distinguishing between colors.
•  Color blindness may be improved by treating the cause.