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. 2017 Jul 28;6(2):245–262. doi: 10.1007/s40123-017-0099-1

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 1 — Keratoconus treatment algorithm. VA visual acuity, RGP rigid gas-permeable lens, DALK deep anterior lamellar keratoplasty, PK penetrating keratoplasty, CL contact lens, Sp spectacle, CXL cornea cross-linking, PRK photorefractive keratectomy, RLE refractive lens exchange