Eating too much sweets or sugar is easy to affect vision. Eating too much sweets will increase blood sugar, which cancause damage to the eyes from two aspects. Sugar can produce acidfood, and it can neutralize the body's basic elements such as calcium, chromium, and chrome, which is one of the materials that keep eye elasticity, and maintain normalintraocular pressure. Lack of calcium, chromium, eye QiuBi elasticity will decrease, and cannot maintain normal intraocular pressure, tension. In addition, the increased blood sugar will accelerate eye lens denaturation, causing eye lens and the changes of aqueous humor osmotic pressure, diopter increases, and lead to myopia.