axometer


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axometer

(ăk-sŏm′ĕ-tĕr) [″ + metron, measure]
Measuring device for adjusting eyeglasses so that the lenses are suitable for the optic axes of the eyes.
Medical Dictionary, © 2009 Farlex and Partners

axometer 

1. Instrument for determining the axis of a cylindrical lens and the optical centre of a lens.
2. Instrument used in the subjective determination of the principal meridians of an astigmatic eye. Syn. axonometer.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann