color vision problems have a variety of causes.
Normal aging can increase the chance of a color
vision problem, and the color vision problem may change during a person's life.
As the lens in the eye ages, the lens darkens. It becomes more difficult to
see the difference between dark blues, dark greens, and dark grays.
Side effects of certain medicines can cause temporary or
permanent color vision problems.
Certain eye diseases, such as
diabetic retinopathy, can cause temporary or permanent
color vision problems. Treating these conditions may help preserve or restore
Injury to the eye, such as a part of the retina
(macula) or the optic nerve, can cause color vision problems.
It's important to keep in mind that most people with open-angle glaucoma, the most common type, have no symptoms until they have lost a significant amount of vision.
The condition can be prevented, but once vision is lost, it is irreversible. That is why it's very important to get regular exams with an eye doctor, particularly if there is a family history of glaucoma.
Symptoms of glaucoma vary, depending on its type.