Abstract: Examples are disclosed herein related to a head-mounted device, such as wearable eyeglasses, to continuously monitor pulse data and blood pressure data. One example provides a head-mounted device, comprising a first optical sensor positioned to measure pulse data at a first arterial location that is a first distance from a heart, a second optical sensor spaced apart from the first optical sensor and positioned to measure pulse data at a second arterial location that is a second, different distance from the heart, and a controller wired to the first optical sensor and the second optical sensor and configured to determine blood pressure data from the pulse data measured by the first optical sensor and the second optical sensor.