In this article. Travel inside the eyes -- our window to the world -- and learn how they allow us to see objects both near and far. In order to see, there must be light. Light reflects off an object and -- if one is looking at the object -- enters the eye.The first thing light touches when entering the eye is a thin veil of tears that coats the front of the eye. Behind this lubricating moisture is the front window of the eye, called the cornea.ravel inside the eyes -- our window to the world -- and learn how they allow us to see objects both near and far. In order to see, there must be light. Light reflects off an object and -- if one is looking at the object -- enters the eye.