There is a Chinese proverb which says, “A mouse’s vision is an inch long.” It means the person who focuses on short-term benefits may jeopardize long-term interests. According to research due out later this year, China – not only the most populous nation on Earth, but also home to the largest number of people with vision disorders – may be in exactly that situation. The study, from the China Center for Health Development at Peking University, indicates that between 610 and 65