Eat more foods with good eyesight, such as longan pulp, yam, carrot, spinach, sweet potato, taro, corn, animal liver, beef, mulberry and red dates, or make tea with red dates, ginseng, medlar, chrysanthemum and Siraitia grosvenorii to protect your eyes. It is generally believed that Siraitia grosvenorii is suitable for patients with hoarseness and throat discomfort. In fact, Siraitia grosvenorii is effective for patients with excessive internal heat and bad eyes.