<prompt> Right eye superotemporal quadrantopia, left eye centrocaecal scotoma with headache. Site of lesion is:Left optic nerve chiasmaLeft optic tract chiasmaRight optic nerve chiasmaRight optic tract chiasma  <response>: Ans. a Left optic nerve chiasmaRef: Kanski 7e, 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 