LogMAR 3 m letter chart
 Catalogue Number: 2780 LogMAR 3 m letter chart Category: Equipment Sub-Category: Visual Acuity, Contrast sensitivity tests Institution: National Vision Research Institute of Australia Year Of Publication/Manufacture: 1995 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Melbourne Publisher/Manufacturer: National Vision Research Institute of Australia Description Of Item: LogMAR letter chart for measuring visual acuity designed for use at a test distance of 3 m, printed on white card 520 x 480 mm, 14 lines of letters, the sizes of which are notated in equivalent 6 m Snellen from 6/1.5 to 6/30 on the left hand side and LogMAR -0.3 to 1.0 on the right hand side. Identified at the bottom as 'NVRI / Copyright 1995 NATIONAL VISION RESEARCH INSTITUTE. All rights reserved / 386 Cardigan Street, Carlton, Victorian, Australia, 3053' Historical Significance: The NVRI had developed the LogMAR system of assessing visual acuity and the LogMAR chart in 1975 (See Cat No 2686 and 2735) and it made and sold a range of LogMAR products, various visual acuity charts and near point reading cards. They became an icon of the NVRI and NVRI Director Professor Augusteyn (1991-2001) was a vigourous promoter of them. This is one variant of the LogMAR chart produced during Professor Augusteyn's directorship. Condition: Good although edges slightly damaged Location: Archive room. West wall. Unit 4 Drawer 3 |