ophthalmometer

English

Etymology

From ophthalmo- +‎ -meter.

Noun

ophthalmometer (plural ophthalmometers)

  1. (physiology) An instrument 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, un order to assess astigmatism.
    Synonym: keratometer

References