There are many types of cataracts, among which toxic cataracts are not taken seriously due to their limited scope and single cause. However, once they occur, they can lead to whole-eye cataracts in mild cases and cause lifelong blindness in severe cases.
Related readings:
1、http://www.tnbeye.com/baineizhangzenmezhiliao.htm (How to treat cataracts)
2、http://www.tnbeye.com/baineizhangzhiliaofangfa.htm (Cataract treatment methods)
3、http://www.tnbeye.com/laonianxingbaineizhang.htm (Treatment for age-related cataracts)