Eyesight recovery using the stereogram is an application that can be easy.
By looking at the stereoscopic image called stereogram, you can loosen the eye muscles that entrenched in such everyday smartphone. Stereoscopic image, by shifting each of the line-of-sight, is a picture where you can see the three-dimensional object from a normal image. This movement of the line-of-sight is trained the eye muscles, leads to vision recovery. Detailed approach are described in the application. Because it is simple that can be in about three minutes, please try by all means.