Eye health is an essential component of human health and wellbeing. Good vision enables people to lead productive lives and plays a significant role at every stage of human life from learning to walk and read to participating in the work force. However, eye conditions are remarkably common worldwide. In fact, 2.2 billion people around the world are estimated to have some form of vision impairment , of which one million cases are preventable or yet to be treated. The economic impact of vision...