The new 3D glasses with the standard black frames are a huge improvement over the previous flimsy cardboard red and blue versions. And now a new generation of 3D glasses is unfolding with prescription lenses and other features for comfortable viewing.

The distinctive curved shape of the Oakley sunglasses worn by the 33 Chilean miners rescued after months underground to protect their eyes from UV exposure will hit cinemas -- and moviegoers' pocketbooks. Polaroid and other sunglass designers will also compete with the generic plastic glasses recycled at theaters.