Everyone wants to have good eyesight, and in many kinds of work it is very important to have good eyesight. The men who drive buses and (11) _________ their planes must have excellent eyesight. People who make cameras and radios must (12) _________ see very well, too. Many young children spoil their eyesight by reading in badly-lit places.
(13) _________ and sleep are important for good eyesight: If you eat the wrong kinds of food or you do not have (14) _________, you will not have good eyesight. If your eyesight is not good, however, you should see an optician. An optician is a person who can test your eyesight and make (15) _________. Some girls would rather try to see without glasses than wear glasses. But it is very foolish to spoil your eyes in this way.