Catalogue Number: 3825
Sub-Category: Equipment, other clinical
Designer/inventor: Antonio Placido
Time Period: 1940 to 1999
Description Of Item: Placido disc. Heavy card disc, 200 mm diameter, with looped black wire handle. Paper pasted on one side with concentric black and white rings. Central 13 mm aperture has a glass lens +4 D mounted in a black plastic rim. Length including handle 312 mm.
Historical Significance: The Placido disc is used to assess corneal regularity.
How Acquired: Donated by Gordon Hawley
Date Acquired: April 2020
Condition: Fair, surface spotting
Location: Archive room. West wall. Unit 6 Drawer 4