1. Contact lenses can make dancers' daily life more convenient. Framed glasses can vibrate during strenuous exercise, and when dancers are competing, it is easy for them to break their glasses due to collision and hurt themselves or others. Contact lenses do not have these problems.
2. Contact lens wearers improve their confidence. Framed eyeglasses can affect one's face value to a certain extent, but contact lenses can avoid the defects of framed eyeglasses and make one more confident.