The onset of cataracts may be influenced by poor nutrition. Your risk of cataracts increases if you consume a diet low in antioxidants, selenium, and vitamins A, C, and E. Eat a healthy, balanced diet to make sure you are getting all the nutrients your eyes require. The detrimental effects of smoking on your health are well-known. However, smoking is a little-known factor that contributes to cataracts and your eyes. In actuality, your chance of acquiring cataracts is really doubled if you smoke 20 or more cigarettes each day.