Cataract, a type of common cataract, is one of the major causes of blindness worldwide at present. It is clinically defined as an opacity of the lens of the eye with progressive deterioration of vision. The prevalence of the disease is often seen in the aged above 50 and its incidence usually increases with age. The onsetting age of 60% to 70% patients of the disease is over 50 to 60 and that of 80% patients over 70.
Category of Cataract in TCM
Traumatic cataract
Senile cataract
Complicated cataract
Drug or toxic cataract