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Retinal Vascular Reactivity as Assessed by Optical Coherence Tomography Angiography
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Optic Nerve Head Drusen: Imaging Using Optical Coherence Tomography Angiography.

Elsa Flores-Reyes1, Kirsten Hoskens, Kaweh Mansouri

  • 1*Department of Glaucoma, Institute of Ophthalmology "Conde De Valenciana", Mexico City, Mexico †Glaucoma Research Center, Montchoisi Clinic, Lausanne, Switzerland ‡Department of Ophthalmology, University of Colorado School of Medicine, Denver, CO.

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Summary

Optical coherence tomography angiography (OCTA) can help diagnose optic nerve head drusen (ONHD) by revealing decreased vessel density. This imaging technique aids in evaluating ONHD progression.

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Area of Science:

  • Ophthalmology
  • Medical Imaging

Background:

  • Optic nerve head drusen (ONHD) are abnormal calcifications within the optic nerve head.
  • Diagnosis typically relies on clinical examination and imaging, but subtle cases can be challenging.

Observation:

  • A case study involving a 57-year-old male with decreased visual contrast sensitivity.
  • Clinical evaluation including OCTA revealed bilateral ONHD.

Findings:

  • Optical coherence tomography angiography (OCTA) demonstrated a focal decrease in peripapillary vessel density corresponding to the ONHD.
  • This finding suggests a direct relationship between ONHD and vascular changes.

Implications:

  • OCTA provides a novel method for confirming ONHD diagnosis.
  • This technology may assist in monitoring the progression of ONHD and associated visual field defects.