They were indeed for “seeing at a distance,” but that's not what farsightedness means. For implies purpose or explanation: glasses for `to achieve' or for `because of' [farsightedness].How many words do you know? Try our free vocabulary size test! Search...
Define shortsightedness. shortsightedness synonyms, shortsightedness pronunciation, shortsightedness translation, English dictionary definition of shortsightedness. adj. 1. Nearsighted; myopic. 2. Lacking foresight. short′sight′ed·ly adv. short′sight
Nearsightedness means a person can see objects that are nearby normally. This is contrasted with farsightedness where a person can see objects far away normally.Answer and Explanation: No, astigmatism is not the same as nearsightedness, also known as myopia. Astigmatism is a problem with both...
下图是对某职校学生进行调查的情况,请根据材料完成相关任务。任务一 阅读调查报告,完成图表。7060504030原因20100No.1No.2No-3No.4Many students have become shortsighted at a very young age.At present, about 70% of the students are shortsighted. It means more and more students can't use their ...
7060504030原因20100No.1 No.2No.3No.4Many students have become shortsighted at a very young age.At present, about 70% of thestudents are shortsighted.It means more and more students can't use their eyes in a right way.Afterdoing a survey, we found some main causes.Some students may ...
3. True or false?Spending fewer years in education means you are more likely to develop short-sightedness. 4. Why do some experts suggest countries with huge educational success have more short-sighted children? 5. What ...
If you are struggling to read the fine print of a newspaper, you could be dealing with an age-related form of nearsightedness. Find out more about what presbyopia is and how it can be treated.
“...A higher diopter means you are more nearsighted or farsighted. A prescription is usually written as three numbers, for example: OD -4.25 -1.75 X 180 OS -5.50 -1.25 X 175...” Report by The Analyst™ Click to see sample report Health problems rarely occur in isolation or for...
That means the causes of myopia are more behavioral than genetic. Scientists have learned a great deal about the progression of myopia by studying visual development in baby chickens. They do so by putting little hats on baby chickens. Lenses (镜片) on the face of the hats cover the chicks...
This means vision is blurred beyond 20cm from the eyes. Such severe or high myopia increases with age and can lead to visual impairment that can't be corrected. The prevalence of high myopia has now reached 20% in young adults in East and Southeast Asia, which foreshadows major increases ...