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ophthalmometer
[ of-thuhl-mom-i-ter, -thuh-, -thal-, op- ]
noun
- 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·thalmo·metri·cal adjective
- ophthal·mome·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.
From Project Gutenberg
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