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“Do your eyes play tricks on you?” Asking older people about visual hallucinations in a general eye clinic

  • Joanna M. Jefferis (a1), Urs P. Mosimann (a2), John-Paul Taylor (a3) and Michael P. Clarke (a4)
Abstract

Visual hallucinations are well recognized in individuals with low vision and intact cognition (Charles Bonnet syndrome) (Teunisse et al., 1996). Visual hallucinations also occur in those with early manifestations of dementia with Lewy bodies (McKeith et al., 2005) and Parkinson's disease dementia (Williams and Lees, 2005). Typically, visual hallucinations in these conditions are complex recurrent hallucinations of people and animals and frequently reported as being unpleasant (Mosimann et al., 2006). Individuals with visual hallucinations are often reluctant to disclose details of their symptoms (Menon, 2005), but may instead report non-specific visual difficulties to their family physician or optometrist, resulting in referral to an eye clinic. Failure to elicit the presence of visual hallucinations may lead to inappropriate treatment of age-related ocular comorbidity, such as early cataract.

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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

G. Fenelon , F. Mahieux , R. Huon and M. Ziegler (2000). Hallucinations in Parkinson's disease: prevalence, phenomenology and risk factors. Brain, 123, 733745. doi:10.1093/brain/123.4.733.

I. G. McKeith (2005). Diagnosis and management of dementia with Lewy bodies. Third Report of the DLB Consortium. Neurology, 65, 18631872. doi:10.1212/01.wnl.0000187889.17253.b1.

G. J. Menon (2005). Complex visual hallucinations in the visually impaired: a structured history-taking approach. Archives of Ophthalmology, 123, 349355. doi:10.1001/archopht.123.3.349.

U. P. Mosimann (2006). Characteristics of visual hallucinations in Parkinson disease dementia and dementia with lewy bodies. American Journal of Geriatric Psychiatry, 14, 153160. doi:10.1097/01.JGP.0000192480.89813.80.

R. J. Teunisse , J. R. Cruysberg , W. H. Hoefnagels , A. L. Verbeek and F. G. Zitman (1996). Visual hallucinations in psychologically normal people: Charles Bonnet's syndrome. Lancet, 347, 794797. doi:10.1016/S0140–6736(96)90869–7.

D. R. Williams and A. J. Lees (2005). Visual hallucinations in the diagnosis of idiopathic Parkinson's disease: a retrospective autopsy study. Lancet Neurology, 4, 605610. doi:10.1016/S1474–4422(05)70146–0.

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International Psychogeriatrics
  • ISSN: 1041-6102
  • EISSN: 1741-203X
  • URL: /core/journals/international-psychogeriatrics
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