Google has not stopped at the creation of it's smart glasses, they are going even far by introducing the contact lenses.
After unveiling diabetes testing contact lens prototype, the web giant has filed a patent application concerning the smart contact lenses, witch contains sensors that could detect light, faces... The lens could also contain a micro-buit-in camera witch take photos, maybe by just blinking your eyes !!.
This also could help blind people see certain moving objects around them and be warned about obstacle near to them...
for those who already sees, a whole new world is waiting for them
You may want to watch the video in the link below
Google contact lens