ASTIGMATISM


Meaning of ASTIGMATISM in English

transcription, транскрипция: [ ə-ˈstig-mə-ˌti-zəm ]

noun

Date: 1846

1. : a defect of an optical system (as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image

2. : a defect of vision due to astigmatism of the refractive system of the eye and especially to corneal irregularity

3. : distorted understanding suggestive of the blurred vision of an astigmatic person

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.