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Sub-classification of myopic glaucomatous eyes according to optic disc and peripapillary features

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  • Seungbong Han
  • Kyung Rim Sung
  • Jimin Park
  • Joo Young Yoon
  • Joong Won Shin

Abstract

Purpose: To investigate the sub-classification of myopic glaucomatous eyes by optic disc and peripapillary features. Methods: Optic disc tilt and torsion were determined from retinal nerve fiber layer photographs. Based on the location of the Bruch’s membrane (BM) opening within the β-zone of the peripapillary atrophy (PPA) area, the widths of β-zone PPA (PPA1W), PPA+BM (PPA2W), and PPA-BM (PPA3W) were measured with enhanced depth imaging spectral-domain optical coherence tomography. Cluster analysis that employed partitioning around medoids was performed with these parameters, the presence of inward rotation of BM ending axial length (AXL), and central corneal thickness. Results: A total of 115 eyes (AXL≥24 mm) were included. Two clusters produced maximum overall silhouette widths (average = 0.43). Visual field (VF) mean deviation was not different between cluster 1 (52 eyes; -4.02±3.01 dB) and cluster 2 (63 eyes; -5.21±5.62 dB; p = 0.174). In cluster 1 compared to cluster 2, optic disc tilt was significantly greater, PPA1W and PPA3W were longer, and AXL was longer (all p

Suggested Citation

  • Seungbong Han & Kyung Rim Sung & Jimin Park & Joo Young Yoon & Joong Won Shin, 2017. "Sub-classification of myopic glaucomatous eyes according to optic disc and peripapillary features," PLOS ONE, Public Library of Science, vol. 12(7), pages 1-12, July.
    • Handle: RePEc:plo:pone00:0181841
    DOI: 10.1371/journal.pone.0181841
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