Presbyopia is not reversible. Presbyopia is a type of degenerative disease, so this condition is usually seen in middle-aged and elderly people. When people reach middle age, they find that they cannot see clearly when they read at close range, and they like to see clearly when they place the reading target, such as textbooks or newspapers, farther away, which is called presbyopia. The cause of this condition is mainly due to the hardening of the lens, which causes a decrease in eye adjustment, generally manifested as normal distance vision, but not near vision. In order to improve this situation, you can wear presbyopic glasses to improve near vision, when reading at close range, you can ensure better visual quality, in daily work and life do not need to wear. In addition, in order to avoid the appearance of eye fatigue, usually must pay attention to reasonable eye habits, control the time of close eye use.