Show normal eyes unhurt by watching the movies it if moving pictures hurt your eyes your eyes are wrong and not the moving 1 pictures points out a recent bulletin of the better vision institute normal eyes are not strained by the movies from froin any position in the theater while eyes that are subnormal aging or overworked feel the burden of several hours of 0 focused attention on the screen A moving figure on the screen should not strain our eyes any more than any other moving object says the bulletin we actually see in a series of short rapid jerks that Is the reason that sleight of hand performers can do their tricks for their hands actually move faster than our eyes the moving picture machine takes tabes advantage of this fact and presents a series of snapshots so rapidly that the eye does not perceive the change the persistence of vision or the lingering of the image in the eyes gives the sensation of continuousness ous ness but exactly the same thing happens when we look at any moving object if anything ail thing hurts the moving picture goers eyes it Is focusing them uninterruptedly on the same spot for two or three hours if the visual muscles are weak or tired alred any other focused attention would strain them moving pictures are therefore one of the most infallible means of knowing whether or not you are due for a visit to the eyesight specialist list |