Charles Bonnet syndrome

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 ?

Oliver Sacks, followed by an interview with 93-year-old retired educator Marge Louer, who tells her personal story of coping with Charles Bonnet Syndrome.

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

She said: "He told me about Charles Bonnet Syndrome.

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

1) The eponym Charles Bonnet syndrome (CBS) was originally used by eminent Swiss neurologist Georges de Morsier in 1936 to describe the presence of visual hallucinations (VH) in elderly individuals with normal mental capacity as separate from those associated with neurodegenerative disease.

To be able to give appropriate advice to patients with Charles Bonnet syndrome (Group 1.

Charles Bonnet syndrome

Charles Bonnet syndrome (CBS) is characterized by complex visual hallucinations in psychologically normal people with low vision (Shiraishi, Terao, Ibi, Nakamura, & Tawara, 2004) The disorder typically occurs in older adults and in a wide spectrum of ophthalmic diseases, with macular degeneration being the most common.

An examination of the relationship between low vision and Charles Bonnet syndrome.

Anxiety and Charles Bonnet syndrome

Oliver Sacks, and 93 year old Marge Louer, who tells her personal story of coping with Charles Bonnet Syndrome.

Macular Degeneration Foundation Produces Video Explaining a Common Cause of Visual Hallucinations Among the Visually Impaired?

Abstract: Charles Bonnet syndrome (CBS) commonly occurs in older adults with visual impairments, particularly those with age-related macular degeneration.

Charles Bonnet syndrome: a review of the literature

One example is Charles Bonnet syndrome (CBS), in which visually impaired patients can experience vivid visual hallucinations.

Seeing the links with mental health

These recommendations were on visual acuity, the delivery of bad news, the referral for visual rehabilitation services, and the Charles Bonnet syndrome (see Box 1).

Implementation of an evidence-based guideline for the referral of adults who are visually impaired in the Netherlands: potential barriers

CHARLES BONNET syndrome (CBS) is characterised by complex visual hallucinations alongside deteriorating vision.

Auditing CBS in low vision patients: in the third of OT's new series on clinical audit, optometrist Nita Odedra investigates how common Charles Bonnet syndrome (CBS) is in low vision patients attending the ophthalmology outpatient department at Leicester Royal Infirmary

A key point is that most people who were blindfolded for long enough would develop Charles Bonnet Syndrome.