Eye exercise relieve our eyes from eye strain and stress. Example of eye exercise is to move your eyes in circular motion clockwise and counter clockwise, then look on your right and left. Do this for 3 to 4 times.
If your vision problem are due to weakness or imbalance of the eye muscles then probably eye exercise will help. Although quite popular research claims that there is no physiological change in eye & the minute improvement in vision is related to other factors like better interpretation of images or change in mood & even motivation, etc.
But don’t be discouraged; give a try for these eye exercises. Even if it doesn’t improve your vision, it would definitely help relax strain on eye muscle.