There is no doubt that smart phone has been important part of our life. Now when we go out of the house, a smart phone can solve everything. We enjoy the convenience that technology brings, while the overuse of cell phone will be a health h... [ 阅读全文 ]
National Eye Caring Day is on June 6th, which originated in the 1996. At that time the doctors proposed the government to name a day, hoping to catch the public's attention to protect their eyes. Nowadays, many young people haven't realized... [ 阅读全文 ]