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ophthalmometer

[ of-thuhl-mom-i-ter, -thuh-, -thal-, op- ]

noun

  1. an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.


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Other Words From

  • oph·thal·mo·met·ric [of-thal-m, uh, -, me, -trik, op-], oph·thalmo·metri·cal adjective
  • ophthal·mome·try noun

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Word History and Origins

Origin of ophthalmometer1

First recorded in 1835–45; ophthalmo- + -meter

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Example Sentences

“Behold, there is the famous ophthalmometer which I invented,” says Helmholtz.

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ophthalmologyophthalmoscope