ASTIGMATISMS
Noun
astigmatisms
plural of astigmatism
Source: Wiktionary
ASTIGMATISM
A*stig"ma*tism, n. Etym: [Gr. astigmatisme.] (Med. & Opt.)
Definition: A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistictness of vision.
Note: The term is applied especially to the defect causing images of lines having a certain direction to be indistinct, or imperfectly seen, while those of lines transverse to the former are distinct, or clearly seen.
Source: Webster’s Unabridged Dictionary 1913 Edition
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22 April 2025
BRIGHT
(adjective) made smooth and bright by or as if by rubbing; reflecting a sheen or glow; “bright silver candlesticks”; “a burnished brass knocker”; “she brushed her hair until it fell in lustrous auburn waves”; “rows of shining glasses”; “shiny black patents”
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