Presbyopia is a degenerative condition, and the symptoms become more severe as we age. Presbyopia is a condition called presbyopia in which the lens hardness increases as we age, so the elasticity decreases and the adjustment function of the ciliary muscle gradually decreases, making it difficult to read at close range. There is no way to prevent or alleviate this disease. After the appearance of presbyopia, in order to improve near vision, you can wear presbyopic glasses to avoid eye fatigue and improve near vision. Presbyopic glasses also have a degree, do not buy glasses at will, need to go to the hospital early optometry examination, according to the results of the optometry to wear accurate fancy glasses; this can ensure accurate visual quality, but also to avoid the appearance of eye fatigue.