Catalogue Number: 2481
I O C Griffin Contact Lens Curvature Measurement Tool
Category: Spectacles and lenses
Sub-Category: Contact lens equipment
Corporation: I O C Griffin Pty Ltd
Time Period: 1940 to 1999
Publisher/Manufacturer: I O C Griffin Pty Ltd
Description Of Item: Black plastic rectangular base 175 x 69 x 27 mm engraved with the words IOC Griffin Pty Ltd, a company logo and the numbers 6.9, 7.2, 7.5, 7.8, 8.1 and 8.4 on which are mounted five clear Perspex domes. A sixth dome is missing.
Historical Significance: The device was used for measuring the radius of curvature of the back surface of soft contact lenses
Condition: Good. One dome missing.
Location: Archive room. West wall. Unit 6 Overhead display