The sight is one of the most important blessing that a person can have. But some people don't have
that blessing they lost their sight. Without sight people have to depend on others, that is what which hurt the most. They got depressed lose their will.
Life become so much easy for them they can do whatever they want to do. They are free to do whatever they want to do. If they have eyes.
it's not just the person who don't have the sight but it also effect on they relative too. Just imagine for one second if the person that is blind can see you for the first time, there is no limit of happiness for that moment.
What if they can see anything just like others?
 Yes now they can see. Thanks to eSight technology they made fantasy into reality.