If you use the computers or phones to play, you should rest your eyes every 15 minutes.请仔细阅读短文,然后完成下面的表格。 每空词数不限。How to prevent nearsightedness?Take part Play sports outdoors for at least in outdoor31.each day.activities. Look far away after reading for 40minutes...
How to Prevent NearsightednessMyopia(近视), or nearsightedness, can be a severe inconvenience and may even cause big troubleswhen we operate cars or heavy machinery. Here are some tips that may help you to prevent myopia.1Whether it's for the love of books or because you are studying ...
How to Prevent Near-sightedness 精英家教网>高中英语>题目详情 根据短文内容从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项。 注意:请将1—4题的答案填涂在机读卡上的位置 How to Prevent Near-sightedness Myopia, or near-sightedness, can be a severe inconvenience and may even ...
There are many students in middle school wear the glasses,and many of them were wearing the glasses since little. We have to protect our eyes,prevent them from the short—sightedness. We should keep a good sitting posture,never read the books too closely. We’d better have a short break ...
Short-sightedness or myopia is a refractive condition of the eye, where the eye is too long in shape or the lens over refracts causing the light rays to focus in front of the retina, instead of on it. This causes blurry vision when looking at objects far away, however, objects nearby...
1 How to prevent nearsightedness Myopia( 近视 ) or nearsightedness can be a severe inconvenience and may even cause big troubles when we operate cars or heavy machinery. Here are some tips that may help you to prevent myopia. 56 Whether it’s for the love of books or because you are ...
2. What do we need if we really have shortsightedness?3. How many good habits of using eyes are mentioned(提及)in the passage?4. How can shortsighted people see clearly when swimming? 相关知识点: 试题来源: 解析 [1] glasses[2] Five[1] 【答案】glasses【核心短语/词汇】glasses:眼镜【...
The Myopia Myth: The Truth About Nearsightedness and How to Prevent ItDonald S. Rehm
We have to protect our eyes, prevent them from the short-sightedness. We should keep a good sitting posture, never read the books too closely. We’d better have a short break every hour of reading, close eyes or look at the distance. We should do the eye exercises every day. ...
How You Can Prevent and Reverse Nearsightedness DD Angelis 被引量: 0发表: 2008年 Limits to vision: can we do better than nature? Non-invasive wavefront sensing of the human eye provides the necessary information to design corrections which minimize the monochromatic optical errors of... RA Ap...