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A yellow ring-shaped macular reflection.

Peter J DeLint1, Dirk van Norren

  • 1Alkmaar Medical Center, Alkmaar, Utrecht, The Netherlands. pjdelint@mca.nl

American Journal of Ophthalmology
|July 26, 2005
PubMed
Summary

A novel yellow ring-shaped reflection in the macula of healthy eyes was observed using indirect ophthalmoscopy. This finding, potentially originating from retinal cones, may offer new diagnostic possibilities.

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Area of Science:

  • Ophthalmology
  • Retinal Imaging
  • Anatomy

Background:

  • Indirect ophthalmoscopy is a common tool for examining the retina.
  • Specific macular reflections can provide diagnostic information.

Purpose of the Study:

  • To document and describe a previously unreported yellow ring-shaped reflection in the macula.
  • To investigate the characteristics of this reflection in healthy individuals.

Main Methods:

  • An observational case series involving 5 healthy subjects (ages 23-50).
  • Fundus photography of the macula was performed using a slit lamp and 90-diopter lens.
  • Images were captured at both perpendicular and oblique angles to the retina.

Main Results:

  • A distinct yellow ring-shaped reflection, approximately 5 degrees in diameter, was observed in perpendicular fundus photographs.
  • Oblique photographs revealed a dark red spot located centrally within the ring.

Conclusions:

  • This yellow ring-shaped macular reflection appears to be a novel finding in ophthalmic literature.
  • The observed characteristics suggest an origin related to retinal cones.
  • This phenomenon holds potential for future diagnostic applications in ophthalmology.

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