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However, its 3D geometric (depth) accuracy has not been clinically tested. Therefore, this study determined the depth accuracy of the RealSense, in a cohort of patients with a unilateral facial palsy (n\u2009=\u200934), by using the clinically validated 3dMD system as a gold standard. The patients were simultaneously recorded with both systems, capturing six Sunnybrook poses. This study has shown that the RealSense depth accuracy was not affected by a facial palsy (1.48\u2009\u00b1\u20090.28\u2009mm), compared to a healthy face (1.46\u2009\u00b1\u20090.26\u2009mm). Furthermore, the Sunnybrook poses did not influence the RealSense depth accuracy (p\u2009=\u20090.76). However, the distance of the patients to the RealSense was shown to affect the accuracy of the system, where the highest depth accuracy of 1.07\u2009mm was measured at a distance of 35\u2009cm. Overall, this study has shown that the RealSense can provide reliable and accurate depth data when recording a range of facial movements. 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