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. 2018 Sep 21;7(2):307–322. doi: 10.1007/s40123-018-0146-6

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© The Author(s) 2018

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. 2 — In vivo confocal microscopy (IVCM) standardised images used to compare and score images from cystinosis patients. Standardised IVCM images (400 × 400 μm) used to compare and grade images of patient corneal layers, represented in percentages to indicate the number of deposits in the field of each image: 0, no crystal; 1, < 25%; 2, 25–50%; 3, 50–75%; 4, > 75%. Upper panel: superficial epithelium; lower panel: stroma.

Original images provided by H. Liang, Quinze-Vingts National Ophthalmology Hospital, Paris, France