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Related Experiment Videos

Sudden visual field constriction associated with optic disc drusen

T A Moody1, A R Irvine, P H Cahn

  • 1Department of Ophthalmology, University of California, San Francisco 94143-0730.

Journal of Clinical Neuro-Ophthalmology
|March 1, 1993
PubMed
Summary
This summary is machine-generated.

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Optic disc drusen can cause sudden visual field loss, even when visual acuity is normal. The exact cause of this vision change in patients with optic disc drusen remains unclear.

Area of Science:

  • Ophthalmology
  • Neuro-ophthalmology

Background:

  • Optic disc drusen are abnormal calcifications within the optic nerve head.
  • These structures can sometimes be associated with visual field defects.

Observation:

  • Two patients with optic disc drusen experienced sudden, concentric constriction of their visual fields.
  • Normal visual acuity was maintained in both affected individuals.

Findings:

  • The optic discs showed no signs of swelling, hemorrhage, or anterior ischemic optic neuropathy.
  • The mechanism and specific pattern of visual field loss were not explained by the observed clinical presentation.

Implications:

  • This case highlights an unusual presentation of optic disc drusen.

Related Experiment Videos

  • Further research is needed to understand the pathophysiology of visual field defects in optic disc drusen.