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Related Experiment Videos

Optic disk hemorrhages in glaucoma

J B Jonas1, L Xu

  • 1Department of Ophthalmology, University Erlangen-Nürnberg, Germany.

American Journal of Ophthalmology
|July 15, 1994
PubMed
Summary
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Optic disk hemorrhages are a key indicator in glaucoma detection, appearing in 4.1% of glaucomatous eyes. Their presence and location correlate with disease stage and severity, highlighting their diagnostic importance.

Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Glaucoma Research

Background:

  • Optic disk hemorrhages are potential indicators of glaucoma.
  • Understanding their frequency and location is crucial for diagnosis and management.

Purpose of the Study:

  • To evaluate the frequency and location of optic disk hemorrhages in glaucomatous eyes.
  • To determine the association of hemorrhages with glaucoma stage and severity.

Main Methods:

  • Morphometric examination of color stereo optic disk photographs.
  • Analysis of 1,505 glaucomatous eyes and 595 normal eyes.
  • Correlation with neuroretinal rim status, nerve fiber layer defects, and visual field loss.

Main Results:

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  • Disk hemorrhages occurred in 4.1% of glaucomatous eyes, none in normal eyes.
  • Hemorrhage frequency peaked in medium-advanced glaucoma stages.
  • Hemorrhages were absent in eyes without neuroretinal rim and correlated with localized damage.

    • Conclusions:

    • Optic disk hemorrhages are significant in glaucoma pathogenesis and diagnosis.
    • Their presence aids in detecting glaucoma and assessing disease progression.
    • Hemorrhages are valuable markers for localized glaucomatous damage.