Eyesight plays a very important role in our daily life. Every waking moment,the eyes are working to see the world around us. Over forty percent of Americans worry about losing eyesight,but it's easy to include steps into our daily life to ensure healthy eyes. Here are five suggestions for a life time of healthy eyesight: Schedule yearly exams.__36__ Experts advise parents to bring babies 6 to 12 months of age to the doctor for a careful check. The good news is that millions of children now can have yearly eye exams and following treatment,including eyeglasses. Protect against UV rays(紫外线).Long-term stay in the sun creates risk to your eyes. No matter what the season is,it's extremely important to wear sunglasses.__37__ Give your eyes a break. Two thirds of Americans spend up to seven hours a day using computers or other digital products.__38__ Experts recommend that people practise the 20/20/20 rule:every 20 minutes,take a 20second break and look at something 20 feet away. __39__ As part of a healthy diet,eat more fruits and vegetables each day. Vitamins C and E help protect eyesight and promote eye health. Practise safe wear and care of contact lenses(隐形眼镜).Many Americans use contact lenses to improve their eyesight. While some follow the medical guidance for wearing contact lenses,many are breaking the rules and putting their eyesight at risk.__40__ Otherwise,you may have problems such as red eyes,pain in the eyes,or a more serious condition.