a device for measuring the curve of the front surface of the cornea
His eyes were also checked using a machine not found in the average high-street opticians- a keratometer which produces a topographical map showing the contours of the corneaon a colour screen.
keratometer in American English
(ˌkerəˈtɑmɪtər)
noun
Ophthalmology
an instrument for measuring the curvature of the cornea
Derived forms
keratometric (ˌkerətouˈmetrɪk)
adjective
keratometry
noun
Word origin
[1885–90; kerato- + -meter]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: booster, roller coaster, seminar, twofer, upsweep-meter is a combining form meaning “measure,” used in the names of instruments measuringquantity, extent, degree, etc. Other words that use the affix -meter include: altimeter, nephelometer, radiometer, thermometer, variometer