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Partial Optic Nerve Transection in Rats: A Model Established with a New Operative Approach to Assess Secondary Degeneration of Retinal Ganglion Cells
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Charles Bonnet syndrome.

Robert Yacoub1, Steven Ferrucci

  • 1Southern California College of Optometry, Fullerton, California, USA.

Optometry (St. Louis, Mo.)
|April 23, 2011
PubMed
Summary
This summary is machine-generated.

Charles Bonnet syndrome (CBS) causes visual hallucinations in individuals with severe vision loss. Early identification and management of ocular conditions are key to addressing CBS symptoms.

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Area of Science:

  • Ophthalmology
  • Neurology

Background:

  • Charles Bonnet syndrome (CBS) is characterized by visual hallucinations in individuals with significant visual impairment.
  • Patients often have ocular diseases like macular degeneration or diabetic retinopathy, leading to reduced vision.
  • Fear of mental illness diagnosis makes patients hesitant to report these hallucinations.

Observation:

  • Presents three cases of Charles Bonnet syndrome (CBS) attributed to decreased vision.
  • Patients experienced visual hallucinations consistent with CBS.
  • One patient underwent MRI and psychological evaluation, confirming the diagnosis; two others received presumptive diagnoses due to testing refusal.

Findings:

  • The presented cases highlight the occurrence of CBS in patients with diminished visual acuity.
  • Diagnostic confirmation was achieved in one case through neuroimaging and psychological assessment.
  • Presumptive diagnoses were made in other cases based on clinical presentation.

Implications:

  • Management strategies include treating the underlying ocular disease and optimizing vision with low vision aids.
  • The aging population will likely lead to an increase in CBS cases.
  • Primary care optometrists must be familiar with CBS for accurate identification and patient support.