Wood block with range of aluminium aperture inserts for trial frame
 Catalogue Number: 4459 Wood block with range of aluminium aperture inserts for trial frame Category: Equipment Sub-Category: Equipment, research Year Of Publication/Manufacture: c1990 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Melbourne, Australia Description Of Item: Wooden block holding a set of 13 hand-made aperture trial frame inserts and one occluder. The 13 aluminium inserts comprise 2 x rimless 8.5mm aperture, 1 x 8.0mm with brass rim, 2 x rimless 7.2mm, 1 x 6.2mm, 1 x 6.0mm, 1 x 4.2mm, 1 x 4.0mm with brass rim, 1 x 3.0mm, 1 x 2.0mm with brass rim, & 2 x 1.0mm. Each aperture holder 38mm diameter. Wooden block: 136 x 90 x 40mm. Historical Significance: This set of various aperture sizes was used by Prof Algis Vingrys of the Department of Optometry and Vision Sciences, University of Melbourne, who specialises in clinical optometry and researching early vision loss with eye and brain disorders. How Acquired: Donated by Prof Algis Vingrys Date Acquired: February 2024 Condition: Good. Location: Documents Room Orange Daytona Cabinet Drawer 6 |