definition of optic nerve atrophy
Optic nerve atrophy Definition. Optic nerve atrophy is damage to the optic nerve. The optic nerve carries images of what the eye sees to the brain. Alternative Names. Optic atrophy; Optic neuropathy. Causes. There are many causes of optic atrophy. The most common is poor blood flow. This is called ischemic optic neuropathy. The problem most often affects older adults. The optic nerve can also be damaged by shock, toxins, radiation, and trauma. Eye diseases, such as glaucoma, can also cause a form of optic nerve atrophy. The condition can also be caused by diseases of the brain and central nervous system.