原文“Myopia is the most common visual impairment in children,and China has an unprecedented rate of nearsightedness”前半句总述近视是儿童中最常见的视力问题, 后半句引出中国,并且这句话后面所述都是有关中国的情况。选项B、C、D相关 内容在原文中都是论述中国的,而该题所问为全球范围内的情况,只有...
How to prevent nearsightedness?Nowadays, lots of students are nearsighted(近视的). Last year, a team of eye doctors went to a school in Tianjin. They checke d the students' eyes an d kept eye health records for them. An d they told the students how to prevent nearsightedness.Outdoor...
Normally, your eye can focus an image exactly on the retina: Nearsightedness and farsightedness occur when the focusing is not perfect. Whennearsightedness(myopia) is present, a person is able to see near objects well and has difficulty seeing objects that are far away. Light rays become f...
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 ...
Nearsightedness and farsightedness occur when the focusing is not perfect. When nearsightedness (myopia) is present, a person is able to see near objects well and has difficulty seeing objects that are far away. Light rays become focused in front of the retina. This is caused by an eyebal...
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 ...
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 ...
Most vision problems occur when the eye cannot focus the image onto the retina. Here are a few of the most common problems: Myopia (nearsightedness) occurs when a distant object looks blurred because the image comes into focus before it reaches the retina. Myopia can be corrected with a mi...
Are more people nearsighted or farsighted? Learn how common myopia really is and why, as well as why early diagnosis is important.
The Myopia Myth: The Truth About Nearsightedness and How to Prevent ItDonald S. Rehm