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. 2021 Nov 25;8:764236. doi: 10.3389/fmed.2021.764236

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Copyright © 2021 Domínguez-Vicent, Kensén, Ramsay, Brautaset and Venkataraman.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Schematic representation of the thickness maps used in this study. (A) Early Treatment Diabetic Retinopathy Study sector map. (B) Ganglion cell complex map. (C) Schematic representation of the peripapillary retinal nerve fiber layer thickness sectors. The numbers represent the clock hour positions. C, central; IS, inner superior; OS, outer superior; IN, inner nasal; ON, outer nasal; II, inner inferior; OI, outer inferior; IT, inner temporal; OT, outer temporal; ITS, inner temporal superior; INS, inner nasal superior; INI, inner nasal inferior; ITI, inner temporal inferior; OTS, outer temporal superior; ONS, outer nasal superior; ONI, outer nasal inferior; OTI, outer temporal inferior.