Schools and parents in Shenzhen City have been asked to take better care of children's eyesight as 45 percent of them were found to be shortsighted. Too much reading, poor lighting and too much TV are blamed . Of the city's high school graduates  who applied to study at colleges this summer, but now he gets up earlier. Because of being shortsighted many school graduates  _  .
weren't allowed to enter college couldn't graduate from high school couldn't choose to study what they liked best lost their limited time