Being rich in vitamin A, basil leaves play an important role in eye health. You can soak a few basil leaves in water and wash your eyes with them every morning and before going to bed to prevent conjunctivitis, swelling, inflammations, boils and other infections. Basil leaves act as relaxants for your eyes to sooth stress induced fine lines. Chewing a couple of basil leaves helps to ward off eye problems caused by free radicals such as vision degeneration, cataracts and glaucoma. Basil leaves juice is an effective remedy for sore eyes and night blindness.