A former routine hallucinogen user who now commonly sees small distortions around the edges of certain objects or seeing a fog in parts of visual field is likely experiencing…

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This disorder, also known as HPPD, is characterized by the persistent re-experiencing of perceptual symptoms that occurred during previous hallucinogen use. These symptoms can include seeing distortions around objects, seeing halos or auras around objects, and seeing flashes of light or colors. The symptoms can persist even when the individual is sober and can impair their ability to function normally. This is a recognized disorder in the DSM-5, with diagnostic criteria that include the persistence of symptoms for at least a month after the last use of a hallucinogen.

A Former Routine Hallucinogen User Who Now Commonly Sees Small