Entropion is caused by weakness of the lower lid retractor muscle, loss of contraction of the orbital septum and lower lid skin to hold the lid orbicularis muscle, and lack of adequate support behind the eyelid in older adults with reduced orbital fat. Scarring lid entropion can occur in both upper and lower lids. There is scarring of the lid conjunctiva and lid plate due to contraction. Here’s what you can do to prevent entropion in your life. Preventive measures: 1. Eat a light diet. Do not use too much salt, and eat a combination of meat and vegetables and protein-rich foods, such as lean meat, milk, and soy products. 2, at the same time to pay attention to eye use. Do not look at the computer or books for a long time, eyes tired when you can do eye exercises or open the window, look at the green plants outside the window. 3, to wash your hands regularly. To prevent rubbing the eyes of the time of bacterial invasion and infection, in addition to strengthen exercise, enhance physical fitness, in order to improve immunity.