单词 | prisoptometer |
释义 | prisoptometer|praɪzɒpˈtɒmɪtə(r)| [Arbitrarily f. Gr. πρίσ-ις sawing (allied to prism) + ὀπτ-ός seen + -ometer.] An optical instrument: see quots.
1894A. L. Adams in 27th Bienn. Rep. Illinois Instit. Deaf & Dumb 62, I found Culbertson's Prisoptometer invaluable as a means of diagnosing the amount and various kinds of astigmatism. 1895Syd. Soc. Lex., Prisoptometer.., an instrument designed for the estimation of varying degrees of ametropia of the eye, by means of two prisms fixed together at their bases. |

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