Well, generally speaking, vitamin c, d, e deficiency can just lead to cataracts. First, you should know that a cataract can be described simply as an opaque spot on the lens of the eye that you cannot see through. In some cases, you seem to be looking through a cloud or a haze. And that can become serious with time. And finally, blindness will occur too. According to some researches, vitamin c, d, e deficiency can just contribute to it, so you need to eat foods high in antioxidants, including garlic, onions, beans, vegetables, celery, seaweed, apples, beta-carotene, Vitamin C and Vitamin E, for most of the nutritional components of cataract prevention and reversal are related to boosting antioxidant levels. Anyway, you should be careful about it.