The syndrome you refer to is not purely psychological but has an organic basis. However, it is possible to appear as a manifestation of visual hallucinations in neurological lesions or in severe psychoses. It is necessary to take a full history of how it manifests and the extent of its impact on a person's general condition. Because this is a set of symptoms with subjective reporting, it is very important to investigate such a topic@ Hamedani, A. G., & Pelak, V. S. (2019). The Charles Bonnet syndrome: a systematic review of diagnostic criteria. Current treatment options in neurology, 21, 1-13.