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Title: Microcystic inner nuclear layer changes and retinal nerve fiber layer defects in eyes with glaucoma
Authors: Hasegawa, Tomoko
Akagi, Tadamichi
Yoshikawa, Munemitsu
Suda, Kenji  kyouindb  KAKEN_id  orcid (unconfirmed)
Yamada, Hiroshi
Kimura, Yugo
Nakanishi, Hideo  kyouindb  KAKEN_id
Miyake, Masahiro  kyouindb  KAKEN_id
Unoki, Noriyuki
Ikeda, Hanako Ohashi
Yoshimura, Nagahisa
Author's alias: 赤木, 忠道
吉川, 宗光
須田, 謙史
中西, 秀雄
池田, 華子
吉村, 長久
Issue Date: 12-Jun-2015
Publisher: Public Library of Science
Journal title: PLOS ONE
Volume: 10
Issue: 6
Thesis number: e0130175
Abstract: Objective: To examine microcystic inner nuclear layer (INL) changes in glaucomatous eyes and to determine associated factors. Design: Retrospective, cross-sectional, observational study. Methods: Two hundred seventeen eyes of 133 patients with primary open angle glaucoma (POAG), 41 eyes of 32 patients with preperimetric glaucoma and 181 normal eyes of 117 subjects were ultimately included. Microcystic INL lesions were examined with infrared fundus images and with 19 vertical spectral domain optical coherence tomography (SD-OCT) images in the macular area. Results: Microcystic INL changes were observed in 6. 0% of eyes with POAG, but none of the normal eyes or eyes with preperimetric glaucoma showed microcystic INL changes. The proportion of eyes with advanced glaucoma was significantly larger (P = 0. 013) in eyes with microcystic lesions than without. The visual field mean deviation (MD) slope was also significantly worse (P = 0. 027) in eyes with microcystic lesions. No significant differences were observed in age, sex, refraction, axial length, intraocular pressure, or MD value between eyes with and without microcystic INL lesions. In several cases, microcystic INL lesions occurred along with glaucomatous visual field progression. The retinal nerve fiber layer (RNFL) thickness (P = 0. 013) and ganglion cell layer (GCL) + inner plexiform layer thickness (P = 0. 023) were significantly lower in areas with microcystic lesions than without. The INL was also significantly thicker (P = 0. 002) in areas with microcystic lesions. Conclusions: Microcystic INL lesions in glaucomatous eyes are closely associated with RNFL and GCL thinning and correlated with worse MD slope. These INL lesions may indicate focal and progressive damage in glaucoma.
Rights: © 2015 Hasegawa et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
DOI(Published Version): 10.1371/journal.pone.0130175
PubMed ID: 26066021
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