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Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

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Visual hallucinations in eye disease.

Dominic H ffytche¹

¹Section of Old Age Psychiatry and Centre for Neuroimaging Sciences, Institute of Psychiatry, King's College London, London, UK. d.ffytche@iop.kcl.ac.uk

Current Opinion in Neurology

|January 27, 2009

Summary

This summary is machine-generated.

Visual hallucinations are common in ophthalmology patients, with acuity and contrast sensitivity as key risk factors. Research is advancing, but treatment remains unclear.

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Area of Science:

Ophthalmology
Neuroscience
Psychiatry

Background:

Visual hallucinations are increasingly recognized in ophthalmological practice.
Understanding the risk factors and underlying mechanisms is crucial for patient care.

Purpose of the Study:

To review recent developments and trends in visual hallucinations within ophthalmological settings (2007-2008).
To explore risk factors, potential treatments, and pathophysiological models.

Main Methods:

Literature review of studies published between 2007 and 2008.
Analysis of risk factors, clinical presentations, and proposed mechanisms.

Main Results:

Acuity, contrast sensitivity, age, and sex are significant risk factors.
Up to 40% of patients may experience long-term hallucinations.
Deafferentation is a leading pathophysiological theory, though incomplete.

Conclusions:

Ophthalmology leads research into visual hallucinations, with growing awareness of prevalence and prognosis.
The role of deafferentation and the need for treatment remain subjects of ongoing investigation.