Catalogue Number: 3747
Bionite Naturalens Professional Manual
Category: Spectacles and lenses
Sub-Category: Contact lenses and accessories
Editor: T W Willis, A.S.T.C. FIO
Year Of Publication/Manufacture: c 1972
Time Period: 1940 to 1999
Place Of Publication/Manufacture: Sydney, Australia
Publisher/Manufacturer: IOC-Griffin Pty Ltd
Description Of Item: Olive coloured plastic covered two ring binder, 200 mm x 250 mm x 25 mm, containing 72 pages compiled and edited by T H Willis, Director of Professional services, International Optical Corporation Ltd. Contents cover clinical data, fitting instructions, storage and maintenance, and other practical management information for the Bionite Lens A section written by Penrhyn Thomas describes the effect of the lens on the eye. A cost comparison between Bionite and PMMA lenses and a price list are included.
Historical Significance: The Bionite Naturalens was an early hydrophilic contact lens developed by Allan Isen, of Griffin Laboratories, initially as a bandage lens with a water content of 55%, then as a corrective lens in 1972.
How Acquired: Donated by Ian Bailey
Date Acquired: 23/3/2018
Location: Archive room. West wall. Unit 6 Drawer 5