Formula 55 UV Tinted Soft Contact Lens Demonstration Set

Catalogue Number: 2761
Formula 55 UV Tinted Soft Contact Lens Demonstration Set
Category: Spectacles and lenses
Sub-Category: Contact lenses and accessories
Corporation: Aspect Vision Care
Year Of Publication/Manufacture: c 1996
Time Period: 1940 to 1999
Place Of Publication/Manufacture: Hamble, UK
Publisher/Manufacturer: Aspect Vision Care
Description Of Item: Three blue metal capped vials 40 mm high 22 mm diameter each containing one tinted Ultra violet absorbing soft contact lens of 45% Filcon 1b and 55% water. Vials are labelled Formula 55 UV Tint with parameters of 8.6/14.2/-1.50 Expiry date 07/02. Lenses are tinted light green, mid green and dark green.
Historical Significance: Transparent tinted soft contact lenses were tinted primarily to make handling of the lenses easier with little effect on eye colour of dark coloured eyes. Light eye colour could be enhanced or altered and different depths of tint could provide different effects. Ultraviolet absorbing tints were included in soft contact lenses from the mid 1990s. Aspect Vision Care was formed by the merger of Aspect and New Focus in 1991 and acquired by CooperVision in 1997
How Acquired: Donated by Colin Bates
Date Acquired: 16/01/2013
Condition: Good
Location: Archive Office. Cabinet One Drawer 16

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