Right homonymous hemianopia is caused by lesion of: September 2012: (A) Left optic radiation, (B) Right geniculate body, (C) Right optic nerve, (D) Right optic radiation
Answer is A. Ans. A i.e. Left optic radiation Visual field defects Homonymous hemianopia: Lesions of optic tract (incongruous defects) Homonymous quadrantaopia: Lesion of temporal lobe (superior) Bitemporal hemianopia: Lesions of optic chiasm