Presbyopia is a degenerative disease, mainly due to the sclerosis of the lens, resulting in a decrease in the adjustment ability of the eye, only then the symptoms of presbyopia, generally manifested as a decline in near vision, when reading like to put the target farther, so as to see more clearly, there is no way to prevent this condition, with the growth of age will gradually appear and aggravate. However, this condition can be treated in two ways: the first is to wear presbyopic glasses, which is the most commonly used method to improve near vision and eye fatigue; the second method is surgery, which is being carried out gradually, to improve near vision by implanting multifocal IOLs in the eyes, thus improving the symptoms of presbyopia. Both methods are currently available.