There are many who wonder or do not understand why one should wear glasses, while others have healthy eyes. To know the cause of the eye minus, you must know the basic structure of the eye first.
As it is already known, the eye is like a video camera. When man sees a certain object, there is light entering the eye. This light must pass through four main structures. When the light signal is distorted or damaged, this may result in poor vision.
As it is already known, the eye is like a video camera. When man sees a certain object, there is light entering the eye. This light must pass through four main structures. When the light signal is distorted or damaged, this may result in poor vision.
Here are 4 main structures and an explanation of how light affects each structure: