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Optic nerve head drusen.

Patricia L Davis1, Walter M Jay

  • 1Department of Ophthalmology, Loyola University Medical Center, Maywood, IL 60153, USA. idocmd@comcast.net

Seminars in Ophthalmology
|October 30, 2004
PubMed
Summary
This summary is machine-generated.

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Optic disc drusen are common congenital anomalies of the optic nerve head. While often asymptomatic, they can cause visual field defects and require careful diagnosis.

Area of Science:

  • Ophthalmology
  • Neuro-ophthalmology
  • Genetics

Background:

  • Optic disc drusen are congenital anomalies of the optic nerve head.
  • They represent a calcific degeneration within optic nerve axons.
  • Often found incidentally during routine eye exams.

Purpose of the Study:

  • To describe the nature, diagnosis, and clinical significance of optic disc drusen.
  • To highlight their familial occurrence and potential for visual field deterioration.
  • To emphasize their importance in the differential diagnosis of optic nerve swelling.

Main Methods:

  • Clinical examination findings.
  • Ophthalmic imaging techniques including B scan ultrasound and computed tomography.
  • Optic nerve head tomography for enhanced diagnostic utility.

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Main Results:

  • Optic disc drusen are a common, familial condition affecting both children and adults.
  • Visual acuity is typically unaffected, but visual fields may show abnormalities and progressive decline.
  • Diagnosis is aided by clinical assessment and various imaging modalities.

Conclusions:

  • Optic disc drusen are a significant clinical finding that can mimic other optic nerve pathologies.
  • Accurate diagnosis through imaging is crucial for appropriate patient management.
  • Consideration of optic disc drusen is essential in cases of suspected papilledema or optic nerve swelling.