How to improve eyesight can be fairly easily learned. There are some simple exercises which can improve the condition of cross eyes. They are detailed below.
EYE DRILLS FOR LAZY MUSCLES
Hold a chopstick and pencil at right angles. Have the eye travel along the horizontal stick to the intersection, then up the vertical pencil and back again to the starting point. Gradually slide the vertical pencil closer, each time letting the eye travel along the distance from starting point to intersection, to the tip of the vertical pencil and back again. Slide the upright pencil back and forth seven or eight times, always following it with the eyes.
This simple exercise is one of the best to limber up tight eye muscles and encourages single vision.
LOOKING THROUGH THE GATES
Hold one chopstick upright about three inches from the nose and directly before it. Hold the other stick at arm's length. Now focus the vision on the far stick and gradually move it closer. It should appear as though it were coming toward you through two chopsticks or gates; That is, the stick closest to you will seem to split into two sticks, but be sure to keep your eyes on the far stick.
Now focus on the near stick. You should see two sticks in the distance.
Practice seeing objects in the room through the gates. By focusing on the edge of the door, the floor lamp, candle or side of a bookcase, you should see each object framed by the perpendicular gates. When you can do this, you may be sure that both eyes are working in unison and the object you are looking at will fuse as one image, not two.
Games using balls, such as table tennis, can also have a substantially beneficial effect on the eyes,
Proper fusion habits are very aided, also, by memory and imagination. Close your eyes frequently while doing the fusion drills and remember how the chopstick looks when coming forward through the gates. Imagine the room floating past you while swinging through the gates. Imagine the two gates three inches apart, then three feet apart, a block away, ten blocks away.
In other words, let memory and imagination play their full share in giving you vivid mental pictures of perfectly fused external objects. This is a short cut in training yourself to see single, clear images with both eyes instead of being satisfied with the easier, sloppy habit of seeing double.
While strabismus, squint, or cross-eyes, as it is often called, is an extreme case of one eye leading over the other, nearly everyone with eye defects has one eye which is stronger than the other.
If you go through life letting the stronger eye do the work of two, you run a serious risk of temporary break in the good eye. The weaker one becomes lazier and more inert because of the constant suppression of vision. Only by recognizing which eye leads, and educating the inactive one to function naturally, can you achieve proper vision and alleviate the nervous system of unnatural strain.
People are frequently unaware of the fact that one eye is stronger than the other. Cover first one eye and then the other while you regard some object and you will be able to determine for yourself whether or not one eye is stronger than the other. If so, you should go to work and teach the winner one to bear its share of the burden of seeing.
As long as there is sight in the poorer eye, you can strengthen and improve the vision by natural means. How to improve eyesight is primarily a matter of perseverance and time but, like almost all other physical handicaps, diplopia or double vision can be acquired in a large majority of cases.