a visual phenomenon which usually results from delirium tremens, typhoid, or the presence of brain tumours in the temporal lobe which leads to a visual hallucination of objects in the visual plane decreasing exponentially in size.
a visual phenomenon which usually results from delirium tremens, typhoid, or the presence of brain tumours in the temporal lobe which leads to a visual hallucination of objects in the visual plane decreasing exponentially in size.