Your father-in-law has diabetic eye disease, and retinal detachment may occur when his condition gets worse. The dietary standard of DM per meal is roughly: 1. 3 two rice or three steamed buns (wet weight); 2. The dishes that patients like to eat: 500g of mushrooms, celery, zucchini, bitter gourd, eggplant, radish, bamboo shoots, etc. 3. 25 grams of oil; 4. 50 grams of meat, fish and eggs are appropriate; 5. Have less breakfast; 6. Low salt. You focus on food, you ask your father-in-law.