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[Optic nerve drusen and deep visual fields defects].

C Calvo-González1, E Santos-Bueso, D Díaz-Valle

  • 1Unidad de Superficie e Inflamación Ocular, Servicio de Oftalmología, Hospital Clínico San Carlos, Madrid, España. calvo_glez@yahoo.es

Archivos De La Sociedad Espanola De Oftalmologia
|June 6, 2006
PubMed
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Severe optic nerve drusen, a condition often diagnosed via ultrasonography, is frequently associated with significant visual field defects. Early diagnosis and monitoring are crucial for managing this optic neuropathy.

Area of Science:

  • Ophthalmology
  • Neuro-ophthalmology

Background:

  • Optic nerve drusen can mimic pseudopapilledema, making diagnosis challenging via funduscopy alone.
  • Ultrasonography is the gold standard for diagnosing optic nerve drusen.
  • Severe optic nerve drusen correlate with reduced nerve fiber layer thickness and visual field defects.

Purpose of the Study:

  • To investigate the relationship between extensive optic nerve drusen and the presence of visual field defects.

Main Methods:

  • A prospective observational study was conducted.
  • Visual fields of 5 patients with severe optic nerve drusen (diagnosed by ultrasonography) were analyzed.

Main Results:

  • All patients exhibited visual field defects of varying severity.

Related Experiment Videos

  • Defects ranged from inferior nasal quadrant impairments to severe hemivisual field loss.

    • Conclusions:

    • Diverse visual field defects are common in patients with deep optic nerve drusen.
    • Ultrasonography and optical coherence tomography are highly recommended for diagnosing optic nerve drusen when visual field defects are present.