Hsu Yung-chang and his wife are both visually impaired. They have two children, one of whom is two-and-a-half years old, the other, one year old. Because both parents are sightless, the children are often crashing into things and falling down.
許永昌的太太也是視障者，現育有兩個孩子，一個兩歲半、一個一歲，由於夫妻二人都看不見，孩子碰撞摔是常有的事。