optotype

n. (视力表上的)试视力字体

词形变化

optotypes 复数 optotypes

释义与例句

n.
  1. 1.

    A standardized symbol for testing vision.

    Optotypes can be specially shaped letters, numbers, or geometric symbols.

  2. 2.

    An eye chart

词源

From opto- + -type.

来源：wiktionary