Segmental Atrophy - Band atrophy from right optic tract injury. Left eye. Has temporal hemianopia with band atrophy. Note loss of nasal nerve fiber layer. Old right optic tract injury. 1986. Pair with IIA2C_8a. Anatomy: Optic disc. Pathology: Right optic tract injury. Disease/Diagnosis: Homonymous hemioptic atrophy. Clinical: Left homonymous hemianopia