Catalogue Number: 3956 Proclear Multifocal Disposable Contact Box of 5 Category: Spectacles and lenses Sub-Category: Contact lenses and accessories Corporation: CooperVision Year Of Publication/Manufacture: 2015 Time Period: 21st C Place Of Publication/Manufacture: Hamble, UK Publisher/Manufacturer: CooperVision Description Of Item: Cardboard box 110 mm x 60 mm x 15 mm with grey background of stylised contact lenses and water droplets overprinted with CooperVision and logo/proclear? MULTIFOCAL/(omafilcon A)/Soft Contact Lenses/PC TECHNOLOGY/provides all day comfort in shades of blue. A description of contents in in 21 languages, the expiry date of 09/2016, Lot No. and barcodes are printed on the reverse of the box. Box has been opened and contains 5 blister packs each containing one lens BCOR 8.7, Diameter 14.4, Power -3.00 Add +1.50 D. Temporary storage Box A Historical Significance: Proclear Multifocal Contact Lenses were of both Centre Distance and Centre Near design and monthly disposable. The D on the lens labels indicates the Centre Distance design.Omafilcon A was one of the first polymers which attempted to mimic the ocular surface. It is composed of HEMA and 2-methacryloyloxyethyl phosphorylcholine (PC) polymers crosslinked with ethylene glycol dimethacrylate. PC is similar to phospholipids (e.g., phosphatidylcholine), which are molecules found naturally in human cell membranes. Omafilcon A is claimed to reduce tear evaporation. How Acquired: Donated by Colin Bates Date Acquired: 11/7/2020 Condition: Good Location: Archive Room. East wall Unit 5 Cupboard |