Optic nerve atrophy is damage to the optic nerve. Causes include poor blood flow to the eye, disease, trauma, or exposure to toxic substances.Ophthalmologist Raj Pathmaraj explains more about this.

Spinal muscular atrophy (SMA) is a progressive neurodegenerative disorder ... ventricular septal defect (which resolved), optic nerve hypoplasia and a brainstem asymmetry, with related delays in ...