题目内容：

Protecting your eyesight is one of the most important things you can do to help maintain your quality of life. 1. Consider these simple guidelines:

Protect your eyes from harmful UV(紫外线的) light. When you stay outdoors during daytime, always wear sunglasses that protect your eyes from 100 percent of the sun’s harmful UV rays. 2.

Look for warning signs of changes in your vision. 3.Some trouble signs to look for are double vision, hazy (模糊的) vision and having difficulty seeing in low light conditions. Other signs and symptoms of potentially serious eye problems that require immediate attention include red eyes, frequent flashes of light, eye pain and swelling.

4. A comprehensive eye exam, including enlarging your pupils (瞳孔), can determine your risk for major eye diseases that have no early warning signs or symptoms. An eye exam also can make sure that your prescription for eyeglasses or contact lenses (隐形眼镜) is up to date.

5. But keeping a healthy lifestyle and having regular eye exams will certainly decrease your risk of developing a sight-stealing eye problem that otherwise might have prevented.

A. This may help reduce your risk of cataracts(白内障) and other problems.

B. Test your eyesight for free in an online eye exam.

C. In a word, eye care is very important, no matter how old a person is.

D. With a little careful and loving care, you can keep your eyes healthy as you age.

E. Get your eyes checked at least every two years.

F. It’s true that following these steps is no guarantee of perfect vision through your lifetime.

G. If you start noticing changes in your vision, see your eye doctor immediately.