Synonyms
Definition
Palinopsia is a visual disturbance where images persist after their corresponding environmental stimulus is no longer present (Bender et al. 1968). Typically palinopsia is categorized into two different subgroups, illusory and hallucinatory. Illusory palinopsia consists of prolonged indistinct afterimages, light streaking, visual trailing, and momentarily formed image perseveration (Gersztenkorn and Lee 2014). Hallucinatory palinopsia consists of formed image perseveration, scene perseveration, categorical incorporation (a patient seeing an object or feature and then superimposing it onto comparable objects or people), and patterned visual spread (Gersztenkorn and Lee 2014).
Etiology
Palinopsia has many different etiologies. Some of these etiologies include: post-geniculate cortical lesions, metabolic or systemic disease, idiopathic seizures, diffuse cortical pathology, drug induced, migraine, head trauma, psychiatric conditions,...
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References
Abert B, Ilsen P (2010) Palinopsia. Optom J Am Optom Assoc 81(8):394–404
Bender MB, Feldman M, Sobin AJ (1968) Palinopsia. Brain 91:321–338
Gersztenkorn D, Lee A (2015) Palinopsia revamped: a systematic review of the literature. Surv Ophthalmol 60(1):1–35
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Boulter, T.D., Almarzouqi, S.J., Morgan, M.L., Lee, A.G. (2015). Palinopsia. In: Schmidt-Erfurth, U., Kohnen, T. (eds) Encyclopedia of Ophthalmology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35951-4_1266-1
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DOI: https://doi.org/10.1007/978-3-642-35951-4_1266-1
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Publisher Name: Springer, Berlin, Heidelberg
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