I've worn these glasses a couple times now. They're unfortunately not great. They're quite heavy, so wearing it for two hours gives me pains and aches. The fron

I've worn these glasses a couple times now. They're unfortunately not great. They're quite heavy, so wearing it for two hours gives me pains and aches. The front of the glasses is bulky and presses down hard on the bridge of your nose. The sides don't open fully, so they're squeezing your head like a vise. Since I also wear normal glasses, I have to layer them under these captioning glasses. Friends and I joke about me being six-eyed. As for watching through these glasses, they use a holographic display for the captions. Since they are projected directly onto the glasses, I learned very quickly to keep my head absolutely still so I could read the capions without getting motion sickness. The brightness and size are adjustable, which means you can choose from a bright green text and background or fainter levels of green. I'm not quite sure how the glasses receive the captions to be displayed, but it's via some sort of wireless technology. In the three theatres I've watched movies at with these glasses, they drop lines frequently, which is an exercise in frustration. I assume those two things are related. These glasses are hard to distribute -- each costs about $1,000, or so I hear. Not good if you run out and a deaf person needs to watch a movie, which has happened before. Rear-view windows have similar problems, replacing wearing something uncomfortable on your face with wrestling against an adjustable mirror on a stalk. All in all, I'd say I enjoy open captioned movies in theatres the most -- where they display the captions directly in the movie.