The membrane is the outermost layer of the eye wall, composed of collagen and elastic fibers, and is not in direct contact with the outside world, and there are few blood vessels in the deeper layers, so scleral lesions are rare. Scleral lesions are mostly inflammatory. These include scleral hemorrhage, sclerositis, and abnormal scleral tone. The sclera is the outermost layer of the eye wall, composed of dense collagen and elastic fibers, with a hard, magnetic white texture, and mainly serves to protect the eye. Its surface is covered by the bulbar conjunctiva and fascia without contact with the outside world, and there are few blood vessels in the deeper layers. Therefore, scleral lesions are rare, once the lesion occurs, the repair force is poor, the response is slow, the course of the disease is lengthy, the treatment effect is poor, and easy to relapse. Diet: 1. Eat more foods containing vitamin A, such as carrots, green and yellow vegetables and red dates; 2. Eat more foods containing vitamin B, such as sesame, soybeans, fresh milk and wheat germ. 3, eat more foods containing vitamin C, calcium and iron, which are essential nutrients for healthy eyes. 4, eat less high-fat, high-sugar, spicy, fried food and white wine, coffee and other stimulating drinks. 5, usually avoid eating spicy, fatty, sweet, nourishing and greasy products, hot and toxic, it is more appropriate to avoid eating fishy things, otherwise it will help heat and fire. 6, to eat more light fruits and such, to clear the eyes. Eat more clear and moist products, so that the bowels flow smoothly, conducive to guide the fire evil downstream. In addition, to quit smoking and avoid alcohol, so as not to help the fire of spicy heat.