Each of us has a clear sphere in our eye that functions like a camera lens: the lens. Under normal circumstances the lens is transparent. When the lens becomes cloudy and prevents light from entering the eye, we call it a cataract. Main manifestations: blurred vision, fear of light; seeing things darker or yellow; seeing objects distorted and double vision (double vision), hyperopia, etc. Xinxiang First People’s Hospital Ophthalmology comprehensive and c put got cataract early can be some drugs to slow down its development such as; cataract stop, cataract eye drops, etc.. But so far, there is no drug that can cure cataract or stop its development completely. When should I have cataract surgery? Some people think that cataract is a common disease and surgery can only be done when it is completely invisible, i.e. “mature”. Therefore, if the cataract has reached a certain level, surgery should be performed if it affects your life and work. At present, our nationally accepted standard for cataract surgery is: visual acuity of 0.3 or less.