دیکشنری فارسی

astigmia

ریشه و کاربرد

ریشه

From Greek 'a-' (without) + 'stigma' (point, mark).

مثال

  • Astigmia was a common term used in the past to describe astigmatism.
  • The optometrist explained the difference between astigmia and other vision problems.
  • Astigmia can be corrected with the use of corrective lenses.

تعریف انگلیسی

noun
  1. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
  2. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

همین دیکشنری روی گوشی

همهٔ ۲۹۱٬۲۱۲ واژه، بدون نیاز به اینترنت.

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