US Patent 7481531 Eyeglasses with user monitoring

In one embodiment, eyewear having user monitoring capabilities is disclosed. In one example, the user monitoring can pertain to activity monitoring. In another example, the user monitoring can pertain to physical or emotional characteristics monitoring of a user. The measured activity/characteristics can then be used in providing related information to a user of the eyewear. Advantageously, the user of the eyewear is able to easily monitor their activity/characteristics.