It Is Interesting to Know
One pair of eyes must last you as long as you live. Therefore, each one of us should take the best possible care of our precious eyes. All of our five senses are important - seeing, tasting, hearing, touching and smelling. But none can compare with seeing. It is estimated that nearly seven eighths of all our knowledge comes to us through our eyes. What is the optometrist or ophthalmologist doing when he so carefully inspects the inside of your eye and gives you numerous tests? He is examining your eyes for possible disease conditions and looking for possible defects in your vision. For the most part, eye errors are caused by slight imperfections of the eye-ball, or by the failure of the eye muscles to act as they should. The most common errors are farsightedness, nearsightedness, astigmatism, and double-vision. These errors of the eye, in most cases, can be fully corrected by lenses which act on the light as it enters the eye in such a way as to correct the imperfect action of the eye....