Pay attention to eye hygiene on weekdays, don't make your eyes too tired, try to watch TV, computer and play with your mobile phone less, look at the green plants every once in a while, do eye exercises frequently, and don't eat spicy and greasy food.

You can eat more foods that clear liver, nourish kidney and improve eyesight: foods rich in vitamin A, carrots, yellow-green vegetables, eggs, yellow fruits, cod liver oil, animal liver, milk and dairy products.

The curative effect of Lycium barbarum has long been known, because it is rich in carotene, vitamin A, B 1, B2, C, calcium, iron and so on. It is an essential nutrient for healthy eyes. Cassia seed has the effects of clearing away liver-fire, improving eyesight and moistening intestines, and can improve swelling and pain of eyes, redness and tears, and prevent visual impairment.