Cataracts is a disease that affects the lens of the eye. A cloud forms over the eye, making it more and more difficult to see. Cataracts can be hereditary, or be caused from other factors including diabetes, sun damage, trauma or smoking. If you aren't sure if you have cataracts, making an appointment with your optometrist is essential. Read on for symptoms of cataracts and what things you may be able to do to help reverse it.