Colour blindness
Definition
A reduced ability to distinguish between certain colours.The condition is often inherited. Other causes include certain eye diseases and medication. More men than women are affected
Causes
Age
Damage the optic nerve
Physical or chemical damage to the eye
Damage to the parts of brain that process colour information
Symptoms
Difficulty distinguishing between colors
Inability to see shades or tones of the same color
Treatment
There is no known cure for color blindness. Contact lenses and glasses are available with filters to help color deficiencies, if needed.
Pathophysiology
occurs when there is a problem with the pigments in certain nerve cells of the eye that sense color. These cells are called cones. They are found in the light-sensitive layer of tissue at the back of the eye, called the retina. ... Most color blindness is due to a genetic problem
Risk factors
Alzheimer's disease.
Chronic alcoholism
macular degeneration
Sickle cell anaemia, diabetes
Management
Memorize the order of colored objects,
These glasses work by filtering out certain wavelengths of light to help people better distinguish red and green colors
Macular degeneration.
Parkinson's disease
Glaucoma