entoptic hallucination
   The term entoptic hallucination is indebted to the Greek words entos (inside) and opsis (seeing). It is used to denote a "visual hallucination that is attributed primarily to intraocular pathology. The term entoptic hallucination is sometimes used as a synonym for the term "entoptic phenomenon, although strictly speaking not all entoptic phenomena - such as "xanthopsia and " erythropsia - belong to the class hallucinations. Because of its emphasis on the involvement of a specific CNS structure (i.e. the eye) the entoptic hallucination model can be classified as a "topological model of hallucinatory activity.
   References
   Priestly, B.S., Foree, K. (1955). Clinical significance of some entoptic phenomena. Archives of Ophthalmology, 53, 390-397.

Dictionary of Hallucinations. . 2010.

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