Eyes are organs of the body of the most amazing. The eyes are the window of the world. With our eyes can see the green leaves, blue sky, colorful flowers, the whiteness of the snow and all the beauty of the world.After many years of living in the beauty of it, what happens when everything suddenly turned into dark?
Blindness or loss of vision is a major health problem in several countries in both the developing and developed countries. In America, almost 3.3 million inhabitants aged over 40 years experience of blindness due to various reasons.