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Original Article
Peripapillary circle of Zinn–Haller revealed by fundus fluorescein angiography
  1. Myung-Kyoo Ko,
  2. Dong-Seob Kim,
  3. Yoon-Koo Ahn
  1. Department of Ophthalmology, School of Medicine, Hanyang University, Seoul, Korea
  1. Myung-Kyoo Ko, MD, Department of Ophthalmology, School of Medicine, Hanyang University, 17 Haengdang-Dong, Sungdong-Ku, Seoul, Korea, 133-792.

Abstract

AIMS To observe the vascular pattern of the peripapillary circle of Zinn–Haller in humans by fundus fluorescein angiography.

METHODS 307 cases (from 212 patients) of fundus fluorescein angiograms performed in patients with myopic degeneration were evaluated to find the circle of Zinn–Haller and to observe its fundus fluorescein angiographic features.

RESULTS 15 cases (from 13 patients) with the circle of Zinn–Haller were found. It appeared as concentric or zigzag-shaped vascular fillings within the temporal crescent region. All cases were observed in pathological myopia with peripapillary atrophy and a tilted disc. Each arterial circle showed variations in location and shape.

CONCLUSIONS The temporal part of the circle of Zinn–Haller can be revealed by fundus fluorescein angiography particularly in pathological eyes with prominent peripapillary atrophy and a tilted disc. The morphological variation of this arterial circle should be considered.

  • circle of Zinn–Haller
  • fluorescein angiography
  • fundus

https://doi.org/10.1136/bjo.81.8.663

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