In simple terms, a cataract is a clouding of the lens. The most frequent of these is senile cataracts, with most older people having an incipient age-related cataract from around the age of 60 and almost everyone having a cataract by the age of 80.
Drug treatment of cataracts is still in the research and exploration stage. For early stage cataracts, medication can only slow down the development of some cataracts, while for middle and mature stage cataracts, medication is basically ineffective.
In principle, the earlier the cataract surgery, the better the treatment effect. glasses are necessary.