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Re:AVG Announces Invisibility Glasses by jkot on Monday March 02, 2015 @08:58AM (#9131830)
> anti-camera system deployed at movie theaters years ago which would look for camera sensors, and then blind them with IR lasers

I think it is unlikely. IR lasers can still damage eye sight.

Re:AVG Announces Invisibility Glasses by drzaiusapelord on Monday March 02, 2015 @10:07AM (#9132107)
Looks like shooting IR at the audience is how some/most of these systems work:

http://archive.wired.com/entertainment/music/news/2004/11/65...

but yes, it does sound like its probably like plain old IR light and not a laser.