Plácido's disk

[ plah-si-dohz ]
/ ˈplɑ sɪˌdoʊz /

noun Ophthalmology.

a device marked with concentric black rings, used to detect corneal irregularities.

Origin of Plácido's disk

after A. Plácido da Costa (1848–1916), Portuguese ophthalmologist, who devised it

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


Medicine definitions for placido's disk

Placido's disk

[ plä-sēdōz ]

n.

keratoscope

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.