Right eye superotemporal quadrantopia, left eye centrocaecal scotoma with headache. Site of lesion is:
Ans. (a) Left optic nerve + chiasmaRef: Kanski 7/e, p. 826-827This type of field defect is seen in meningiomas where the lesion is at the junction of optic nerve and the chiasma. This is called "junctional scotoma of Traquair". (VFD No. 3-Text)
Left optic nerve + chiasma
Left optic tract + chiasma
Right optic nerve + chiasma
Right optic tract + chiasma
Neuro-Ophthalmology