That tired and strained feeling your eyes have after spending a few hours of looking at a computer screen may be Digital Eye Strain, also known as Computer Vision Syndrome. This eye strain, eye irritation and associated headaches may be caused by looking at digital devices for as little as two hours a day, while these symptoms become intensified with the 7 plus hours many of us spend every day. Whether using a smart phone, tablet or laptop the range of symptoms that people experience can include some or all of the following...