This ring is set with a hemispherical glass eyeball that looks around when it is worn.
Wondrous Item 9,000 gp
If you wear the ring for 8 consecutive hours, you become attuned to it. Only one creature can be attuned to the ring at a time.
Power At-Will Utility (Standard Action)
Requirement: You must be attuned to the ring, and the ring must be on the same plane as you.
Effect: Until the start of your next turn, you can see as if you were in the ring’s position, but you cannot see with your own eyes.
Published in Dungeon Magazine 220.