Worried that your kid's eyesight might deteriorate because of endless hours spent on smartphones gaming consoles computers and tablets? Take heart spending just two hours a day outdoors playing any sport in the sunlight might help experts suggest. Myopia -- also known as nearsightedness and shortsightedness -- is a condition of the eye where the light that enters the eye does not directly focus on the retina but in front of it. This causes the image that one sees -- when looking at a distant object -- to be out of focus. It does not affect focus when looking at