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astigmatism

/ә'stigmәtizm/

📖 中文释义

  1. n. 散光
  2. [化] 像散

🔗 释义中的汉语词

散光
📘 English Definition（英文释义）
  1. n. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
  2. n. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
A 字母词表