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I have slight nearsightedness and use corrective lenses. I don't wear my glasses most of the time, however while driving I do wear them to read road signs. I can watch normal 2d movies in the theater without my lenses, with only a slight loss in detail. However watching 3d movies witout corrective lenses and the 3d glasses is blurry and almost painful. I can definitely attest that the 3d technology can induce an unpleasant experience for some people with less than perfect vision.



Anyone can guess. It takes no effort to throw out lots of predictions and have some of them be correct. You are not and wiser or better for having your guesses be right. Even a blind man can hit the bullseye.