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. 2018 Oct 8;96(8):795–799. doi: 10.1111/aos.13881

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© 2018 The Authors. Acta Ophthalmologica published by John Wiley & Sons Ltd on behalf of Acta Ophthalmologica Scandinavica Foundation.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Electronic epipalpebral pressure (EPP) measuring device. (1) Device housing, (2) electrical wiring, (3) pressure sensor, (4) earpiece, (5) pressure balloon, (6) silicone tubing and (7) pressure valve.