Which visual field defects are seen in tip of Lateral geniculate body lesion?: (A) Pie in the sky, (B) Pie in the floor, (C) Keyhole visual field defect, (D) Homonyms hemianopia
Answer is C. Tip of LGB lesions: Key hole visual field defect Temporal lobe lesion - Contralateral homonymous superior quadrantanopia (Pie in the sky) Parietal Lobe lesion-Contralateral homonymous inferior quadrantanopia (Pie in the floor). Left superior homonymous quadrantanopia Left inferior homonymous quadrantanopia Keyhole defects in visual fields : Lateral geniculate lesion. Homonymous hemianopia is seen in complete LGB lesions