formed visual hallucination

formed vis·u·al hal·lu·ci·na·tion

hallucination composed of scenes, often landscapes.
References in periodicals archive ?
The clinical syndrome of PH consists of formed visual hallucinations, localizing signs of the offending lesion, and sleep disturbances.
3) Although formed visual hallucinations do not generally have a strong localizing value, any subtle sign of brainstem disorder should be carefully sought in patients with acute visual hallucinations.