Catalogue Number: 3912 Harrington Flocks Pattern Series III Book Category: Equipment Sub-Category: Perimeter, visual field analyser Corporation: David O Harrington and Milton Flocks Year Of Publication/Manufacture: C 1960 Time Period: 1940 to 1999 Place Of Publication/Manufacture: Santa Monica, California, USA Publisher/Manufacturer: Burton Manufacturing Company Description Of Item: Blue heavy card comb bound book 445 mm x 305 mm x 15 mm of 20 pages each with a central black fixation spot and a series of UV sensitive spots. The cover is imprinted 'PATTERN SERIES III/Multiple Pattern Method of Visual field Examination/ David O. Harrington, M.D./ Milton Flocks, M. D./MANUFACTURED BY BURTON MANUFACTURING COMPANY, 2520 COLORADO AVE. SANTA MONICA, CALIFORNIA MADE UNDER U.S. PATENT 2835162' Historical Significance: US ophthalmologists David Harrington and Milton Flocks developed a visual field screening system in 1954 which used tachistoscopic presentation of ultra violet sensitive stimulus spots. Flocks helped develop new ophthalmological techniques and was possibly the first surgeon to use a laser for photocoagulation.US patent provides more detail and images of the test apparatus. How Acquired: Donated by Greg Vercoe Date Acquired: 30/6/2020 Condition: Good Location: Archive room. West wall. Unit 1 Drawer 3 |