填空题

Today school students in many countries have high rates of (26) eyesight. Two methods have been proposed to prevent (27) , one western and one Chinese. The western method was (28) developed by Mr. Bates, a British actor in the early part of the century. He trained people to relax very frequently during the period of (29) reading. His method simply included covering the eyes with the palms of the hands and looking at (30) by moving the eyes from side to side instead of (31) them. They then encouraged school children to look frequently at the (32) on the wall of the classroom to relax their eyes. A famous British writer even wrote a book on the (33) effects of the Bates method on his vision. The traditional Chinese method involves (34) around the eyes with the fingers. This also relaxes (35) in the muscles. It is based on traditional Chinese medicine. But it can also be done by students themselves. Teachers and parents should encourage pupils to relax their eyes frequently when reading and studying.