A modified webcam can measure and display several health indicators of users standing in front of it.

By simply modifying an ordinary web cam, a graduate student at MIT has created a medical mirror device that can measure and display several health indicators such as the pulse and blood pressure of a person standing in front of it. Ming-Zher Poh’s webcam can study a human face and measure the brightness variations produced by blood flow through vessels in the face. In tests, this new webcam-based system performed as well as the medical devices approved by the FDA, making it an exciting low-cost device that can be installed anywhere.

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