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  1. Oxford Dictionary

    eye chart

    • n.
      a chart used in measuring the sharpness of a person's vision, typically consisting of a number of rows of letters of decreasing size

    • noun: eye chart, plural noun: eye charts

    • 釋義

    名詞

    • 1. a chart used in measuring the sharpness of a person's vision, typically consisting of a number of rows of letters of decreasing size I could only read the top line of the eye chart