Visual disorientation syndrome (riddoch syndrome) 1

General: Parietal lobe lesion.

Ocular: Visual agnosia; stereoscopic vision and central vision unimpaired; homonymous quadrantanopsia.

Clinical: Contralateral numbness and tingling; loss of static or postural sensation when postcentral convolution affected.

Geeraets WJ. Ocular Syndromes, 3rd ed. Philadelphia: Lea & Febiger, 1976.

Riddoch G. Dissociation of visual perceptions due to occipital injuries, with especial reference to appreciation of movement. Brain 1917; 40:15.

Riddoch G. Visual disorientation in homonymous half-fields. Brain 1935; 58:376.