Haiyan is 7 years old．Her parents gave her an iPad as a present for her birthday．A month later，her eyesight has gone worse．This is serious for such a young child．
    Many children in China are facing the same problem：tablet and iPad using is bringing problems to make their eyes weak．The problem is so popular that newspapers even call the iPad the" No.1 killer of children's eyesight"．
"There are about 30 shortsighted children coming every day．"Said Hu Dali，an eye doctor at Guiyang Eye Hospital．"Half of those children have poor eyesight because they have played with phones and iPads for too long．"
    Doctors and scientists say children's vision is not yet fully developed and their eyes get tired more easily．The screen of an iPad uses a very bright LED backlight．If children look at an iPad screen for a long time，their eyes don't have time to rest．This will make their eyesight worse over time．
    Doctors advise that users should hold their iPads between 40-60 centimeter away from them．The brightness of the screen should be comfortable for children．Parents should also stop their children from using an iPad for more than one hour every day．

IPads bring （1） problems problems to children's eyes
The story of Haiyan	Haiyan （2） received received an iPad as a gift．After using it for a month，her （3） eyesight eyesight became worse．
A common problem	Many children have poor eyesight because of （4） using using phones and iPads for too long．
Why iPads （5） cause cause eye problems	Children's eyes gets （6） tired tired easily．The screen uses bright backlights．Using eyes for a long time without a（7） rest rest makes eyesight （8） worse worse ．
（9） Advice Advice on how to solve the problems	User should hold their iPads in the right distance．The brightness should be （10） comfortable comfortable ．Children shouldn't use iPads for more than an hour a day．