This video shows an alternative method for measuring exophthalmos using a smartphone. In this study, the method was compared with the Hertel exophthalmometer, which is the current criterion-standard measurement, and a high-resolution 3-dimensional scanner in terms of accuracy and precision, interoperator reliability, and test-retest reliability, showing promising results. The video visualizes the setup and functionality of the exophthalmos measuring method with a smartphone. On the left side of the video, the setup is shown, and on the right side, the smartphone app. The test person follows the commands of the app, first to stay still and look at the camera, then to turn their head to the left, to the middle, to the right, and back to the middle. On the right side of the video, the obtained 3-dimensional model of the head is shown from different angles. At the end, the results of the measurement are displayed in the smartphone app.
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