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. 2019 Feb 27;9:2968. doi: 10.1038/s41598-019-38992-y

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Schematic representation of the steps comprising the sublimation transfer technique (a) The image of the iris and blood vessels is printed on transfer paper via an inkjet printer using biocompatible sublimation dye. (b) A frame made to fit the back curvature of the ocular prosthesis is placed on the sublimation transfer system, and the 3D-printed ocular prosthesis placed on the frame. Then the printed transfer paper is placed upside down. (c) Vacuum is applied so that the transfer paper and the 3D-printed output are in contact, then heat is applied. (d) After the printed sublimation ink is transferred onto the 3D-printed output and fixed, the transfer paper is removed. The authors would like to thank Dong-Su Jang, MFA (Medical Illustrator, Medical Research Support Section, Yonsei University College of Medicine, Seoul, Korea) for his help with this illustration.