The optic nerve, also known as cranial nerve 2, transmits visual information from the retina to the brain. Damage to the optic nerve typically causes permanent and potentially severe loss of vision, as well as an abnormal pupillary reflex. So we need to protect optic nerve in daily life. But how? Obtain a complete diagnosis from a qualified health professional. Acupuncture has been touted in some quarters as a means of helping to strengthen the remaining nerves. Eating fresh fruits to take vitamins supplements in time and have a good rest, that is, never use optic nerves too much a day. Avoiding getting eye problems, such as glaucoma.