英语词汇“visual acuity”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	visual acuity
释义	visual acuity noun Sharpness of vision, measured by the ability to discern letters or numbers at a given distance according to a fixed standard.The macula serves to facilitate central vision and allows for high-resolution visual acuity.... Your visual acuity is expressed in a fraction - such as 20/20 vision. Dr. Birch noted that the current study was a follow-up to an earlier study of the children's visual acuity.
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