Permaflex Thin Color Collection Soft Contact Lens Trial Set
 Catalogue Number: 2596 Permaflex Thin Color Collection Soft Contact Lens Trial Set Category: Spectacles and lenses Sub-Category: Contact lenses and accessories Corporation: UCO Optics Inc Year Of Publication/Manufacture: C 1985 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Rochester, New York, USA Publisher/Manufacturer: UCO Optics Inc. Description Of Item: Three screw top vials, two of which retain their original seals, each containing one soft contact lens tinted in an annular pattern. The tints are transparent of a single colour in spring green, sky blue or turquoise. Lens material tetrafilcon A (42.5% water). Label, partly removed to allow demonstration of colour, has pseudo-spectrum coloured background with lens parameters 8.9/14.4/-2.50 printed and expiry dates of 5/89 or 6/89. Historical Significance: Tetrafilcon A was invented by Stanley Gordon, an American optometrist and contact lens practitioner and manufacturer in 1970. Gordon founded the Contact Lens Guild in 1958, which was re-named Gordon Contact Lenses in 1965. After the invention of tetrafilcon, Union Corps Optics Inc., a subsidiary of Union Corporation (An Airline and hotel company) bought Gordon Contact Lenses. Coopervision acquired UCO in 1983. How Acquired: Donated by Colin Bates Date Acquired: 16/01/2013 Condition: Good Location: Archive Office. Cabinet One Drawer 16 |