optic nerve | Fiber-optic communication | atrophy | Spinal muscular atrophy | spinal muscular atrophy | Optic nerve hypoplasia | Optic chiasm | Muscle atrophy | Magneto-optic effect | Kjer's optic neuropathy | fiber-optic communication | Atrophy |
Glaucoma is a group of diseases involving loss of retinal ganglion cells causing optic neuropathy in a pattern of peripheral vision loss, initially sparing central vision.