Tessellopsia
Carlos Morra and Ernst Franzek: Psychopathological Symptoms

Definition: Visual hallucinations which consist of geometrical structures that display regular patterns (Ffytche and Howard 1999).

Exploration: The presence of tessellopsia can be established by interviewing the patient.

Reference:

Ffytche DH, Howard RJ. The perceptual consequences of visual loss: 'positive' pathologies of vision. Brain 1999; 122: 1247-60.

December 28, 2017