2. In terms of quality, choose different diets according to different physical characteristics. Generally speaking, people with yin deficiency and hyperactivity of yang should avoid spicy products or aphrodisiac products, so as not to help heat get angry or consume body fluid, causing red eyes and pain. For eye diseases with wind-heat, excess heat, hyperactivity of fire due to yin deficiency, and damp-heat eye diseases with heat heavier than dampness, do not eat tobacco, wine, onion, garlic, ginger and pepper, and eat less roasted and fried products, so as not to burn body fluid and consume blood and help fire.

3. Usually, the diet should be light, especially for eye diseases with excessive heat. You can eat cool fruits and vegetables, such as Malantou, wax gourd, pear, banana and watermelon. Those with yang deficiency and yin excess should eat less cold and cold, so as to avoid stagnation of spleen and obstruction of stomach, resulting in insufficient biochemical sources and loss of nutrition. Damp eye disease due to spleen deficiency, avoid greasy, cold and indigestible foods, and generally eat nutritious and digestible foods. For finches with liver deficiency, animal liver, milk and egg yolk are appropriately increased.