Wear sunglasses for good vision.

　　2　 Choose sunglasses that block 99% to 100% of both UVA and UVB rays.If you wear contact lenses,choose the ones that offer UV protection.It’s still a good idea to wear sunglasses for more protection. 

　　Quit smoking.

　　Smoking makes you more likely to get cataracts(白内障),optic nerve (视觉神经)damage,and macular degeneration (黄斑部退化).If you have tried to quit smoking before and started smoking again,keep trying.The more times you try to quit smoking,the more likely you are to succeed.

　　3　  

　　Staring at a computer screen can cause so many problems:dry eyes,headaches and neck,back and shoulder pain.To protect your eyes,you can position your computer so that your eyes are level with the top of the monitor.This allows you to look slightly down at the screen.Try to avoid glare on your computer from windows and lights.Use an anti-glare screen if needed.Every 20 minutes,rest your eyes by looking 20 feet away for 20 seconds.　4　  

　　Visit your eye doctor regularly.

　　Everyone,even young children,should get their eyes examined regularly.　5　 They can also find some eye diseases,such as glaucoma(青光眼).The earlier diseases are found,the easier they are to be treated. 

　　(2016·安徽“江淮十校”联考)

　　A.Use safe eyewear.

　　B.Look away from the computer for good eye health.

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