| 词汇 | astigmatism |
| 释义 | astigmatismWord family adjectiveastigmaticnounastigmatismadverbastigmatically Illness & disability as·tig·ma·tis·m /əˈstɪɡmətɪzəm/ noun [uncountableU] MIdifficulty in seeing clearly that is caused by a change in the inner shape of the eye 散光，散视 Examples from the Corpus astigmatism• Despite what has been called the moral astigmatism of the Tuskegee study, not all of its lessons are negative.• His views on the nature of astigmatism were important and he improved the treatment of acute glaucoma.• Similarly, the variation of distance refraction and the presence of astigmatism is also lower than for humans.• He said developments are expected within a year which will not only enable severe astigmatism to be corrected but also long-sightedness. (1800-1900) A-2 + Greek stigma “mark, point”; because there is no point at which light focuses |
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