Macular degeneration is the most common cause of irreversible blindness that is associated with aging and especially affects central vision.
Risk factors. People in their 60s and tobacco. In some people it is progressively degenerative and in others it happens more quickly.
Symptoms. Difficulty reading, driving and performing tasks that require seeing straight ahead. Macular degeneration affects the macula, the area of maximum vision in the retina that provides a the central vision with the precision to see details.