Contact lens that continually measures eye pressure

Forgive me if this issue has been posted on before.  I just ran across an article describing the fascinating development of a contact lens that continually measures IntraOcular Pressure.

http://www.medgadget.com/2013/07/smart-continuous-monitoring-of-the-intr...

I don't know how much of the article is hype, but from the sound of it, this device is not that far away from becoming a reality.