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Lifelight is an app being developed for the contactless measurement of VS using remote PPG via the camera on smart devices such as phones and tablets. The app captures the average color of regions of interest on the face 30 times every second for 60 seconds and sends these as red, green, and blue color values to a central server for processing, yielding VS values.
JMIR Res Protoc 2025;14:e58334
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The VISION-D (Measurement of Vital Signs by Lifelight Software in Comparison to the Standard of Care-Development) study measured VS in 8585 patients and healthy volunteers simultaneously using Lifelight and standard-of-care methods. The data were used for machine learning to improve the accuracy of the Lifelight algorithms used to calculate VS.
JMIR Res Protoc 2023;12:e41533
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Here, we report early validation steps of the Lifelight software for the measurement of PR, RR, SBP, and diastolic BP (DBP; in line with the intended purpose of Lifelight) [26]. As Lifelight is a contactless technology, there are no relevant International Organization for Standardization (ISO) standards for validation. The most similar devices are wireless smart patches and finger clip BP monitors.
JMIR Form Res 2022;6(11):e36340
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