an instrument, as Placido's disk, for determining the symmetry of the curvature of the cornea.
Origin of keratoscope
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examination of the anterior surface of the cornea to determine the character and amount of corneal astigmatism.
An instrument marked with lines or circles for use in examining the curvature of the cornea.Placido's disk
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.