If you are concerned about your posture whilst using your desktop computer, you might be interested in this new Philips ErgoSensor Monitor. Which has been created to provide you with feedback on your posture whilst viewing it.
The Philips ErgoSensor Monitor, is equipped with a range of sensors that allow it to monitor your posture and alert you if you ned to make any changes, to your seated position.
Philips explains that the sensor measures your inter-pupillary distance—the distance between two pupils—to determine whether you’re sitting at an optimal distance from the monitor,and will also alert you if it thinks you need to take a break.
The Philips ErgoSensor Monitor can also sense if your neck is inclined at a poor ergonomic angle, and will give you corrective feedback showing you the ideal angle position. Unfortunately no information on pricing or worldwide availability has been released as yet, but its currently available for around €285 in Europe.
Source: Ars Technica