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. 2020 Oct 19;8(10):e23680. doi: 10.2196/23680

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©Dongchul Cha, Seung Ho Shin, Jungghi Kim, Tae Seong Eo, Gina Na, Seonghoon Bae, Jinsei Jung, Sung Huhn Kim, In Seok Moon, Jaeyoung Choi, Yu Rang Park. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 19.10.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Medical Informatics, is properly cited. The complete bibliographic information, a link to the original publication on http://medinform.jmir.org/, as well as this copyright and license information must be included.

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Capabilities and limitations of a consumer-grade otoendoscope images. (a) A cochlear implant electrode is exposed in the ear canal (arrow), suggesting a postoperative complication. (b) Consumer-grade otoendoscopes offer sufficient image quality to identify otitis media with effusion. (c) It is hard to diagnose middle ear tumors (dashed arrow) due to haziness of the picture. (d) The ear canal is too narrow for a consumer-grade otoendoscope to pass.