Charles Bonnet syndrome

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Bon·net syndrome

(bō-nā'),

complex visual hallucinations without attendant psychological abnormality; more common in old people with vision problems.

Synonym(s): Charles Bonnet syndrome

Charles Bonnet syndrome

An idiopathic condition characterised by complex hallucinations in otherwise normal people who have various forms of visual impairment—e.g., glaucoma, methanol poisoning, cataracts. It has been attributed to the loss of suppression of spontaneous images resulting from the lack of visual input. It was described in 1769 by the Swiss philosopher, Charles Bonnet (1720–1793).

Charles Bonnet syndrome

(sharl bo-na')

[Charles Bonnet, Swiss scientist, 1720–1793]

Complex visual hallucinations typically experienced by elderly people with profound visual impairment, such as the loss of central visual acuity in macular degeneration. Synonym: release hallucination; Synonym: visual release hallucination

Bonnet,

Charles, Swiss naturalist, 1720-1795.

Charles Bonnet syndrome - geriatric disorder marked by hallucinations.

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References in periodicals archive ?

Del Castillo, "Visual hallucinations: Charles Bonnet syndrome," Western Journal of Emergency Medicine, vol.

Closed-Eye Visualizations in the Setting of Hyponatremia

Melzack, "The Charles Bonnet syndrome: 'phantom visual images'.," Perception, vol.

Management of Psychosis in Parkinson's Disease: Emphasizing Clinical Subtypes and Pathophysiological Mechanisms of the Condition

Jackson M.L., Ferencz J.(2009) Charles Bonnet Syndrome: Visual loss and hallucination.

Revisiting the Charles Bonnet Syndrome in visually impaired students in Addis Ababa University, Ethiopia

Charles Bonnet syndrome was first described by Swiss philosopher Charles Bonnet in the 18th century He reported.

He's been making new'friends'

Iwamoto, "Is Charles Bonnet syndrome an early stage of dementia with Lewy bodies?" Journal of the American Geriatrics Society, vol.

Preclinical polymodal hallucinations for 13 years before dementia with Lewy bodies

Keywords: Charles Bonnet syndrome, Visual hallucinations, Pregabalin.

Pregabalin in the treatment of Charles Bonnet Syndrome

Identified over 250 years ago, Charles Bonnet Syndrome (CBS) remains virtually unknown by most physicians.

Going Crazy? Or Just Visually Impaired? Free Video Explains Hallucinations Brought on by Low Vision

Jalal Abuthina picked four cases of the Charles Bonnet syndrome and did a re-enactment in front of the camera to show what they might look like.

Through The eyes of creativity Following instructions for a living

The visual hallucinations, known as Charles Bonnet Syndrome, often occur but Mrs Roberson was unaware she might develop them.

I saw' ghosts' floating over my garden; 92-year-old terrified by eye disorder

Background: The Charles Bonnet syndrome is a clinical entity characterized by the presence of visual hallucinations in geriatric patients with under-diagnosed diminished visual acuity, sometimes wrongly interpreted and treated as a psychiatric disorder.