Although we can all have vision loss at some point, the elderly and children are the people most often suffer.
Children can detect easily the loss of vision, and its notes will begin to get worse or perhaps always poor grades were due to a poor vision. It is advisable that you check the view children often, they complain of this or not. Frequent headaches, may also cause of poor vision.
The largest yet not complain about their vision problems and most of the times even hide it, but all they end up having a problem. As children, it is also advisable that accompanies the revised view, since in most cases the difficulty seeing, and causes it to fall at home or lack the confidence to perform well on the street, which can make suddenly have a different behavior with others.