Catalogue Number: 3663
Perspex Squares for the Manufacture of Scleral Contact Lenses
Sub-Category: Contact lens equipment
Year Of Publication/Manufacture: c 1950
Time Period: 1940 to 1999
Description Of Item: Seven clear perspex squares 50 mm x 50 mm x 1 mm covered on both sides with protective brown paper and five 60 mm x 60 mm 2 mm, two with 1 mm deep 45 mm diameter circular machined depressions and three with 1 mm deep annular machined depressions 45 mm and 15 mm diameter.
Historical Significance: Perspex squares used in the manufacture of scleral/haptic contact lenses. A square would be heated and a plaster mould of the patient's eye used to form the shape of the lens. This would then be machined and polished to produce the final lens for fitting.
How Acquired: Donated by Robert Kaye
Date Acquired: 26-10-2017
Condition: Good. One square discoloured
Location: Archive room. West wall. Unit 6 Drawer 2