Photo Of The Week: Sick Of 3D... Literally

In this July 8, 2010 photo, University of California at Berkeley Professor Marty Banks looks through a birefringent lens display in Berkeley, Calif. Powerful business interests are betting that 3-D will be the big new thing in entertainment, despite an important obstacle: though improved over yesteryear's 3-D, today's technology still gives many people headaches. Optometrists estimate that 10 percent to 30 percent of people have problems with 3-D viewing, either because it makes them uncomfortable, or because they simply can't perceive depth because of deficient vision. In the worst cases, 3-D makes people sick. (AP Photo/Ben Margot)