Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of ophthalmometer is as below...

Ophthalmometer :: Ophthalmometer (n.) An instrument devised by Helmholtz for measuring the size of a reflected image on the convex surface of the cornea and lens of the eye, by which their curvature can be ascertained..

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