000007033 001__ 7033 000007033 005__ 20230914041953.0 000007033 0247_ $$2DOI$$a10.6083/M49022GG 000007033 037__ $$aDA 000007033 245__ $$aHolmgren's test card for color blindness 000007033 336__ $$aStill image 000007033 520__ $$aCasey Eye Institute Records, Accession No. 2010-006 000007033 520__ $$aColor photograph of a vision test card pasted into the back of the seventh edition of Henry R. Swanzys A handbook of the diseases of the eye and their treatment (1900). From CEI donation April 2010. Sent to cataloging for main collections. 000007033 540__ $$fCC BY 000007033 542__ $$fIn Copyright 000007033 650__ $$aOphthalmology$$023229 000007033 650__ $$aholmgren test 000007033 650__ $$aColor Vision Defects$$016912 000007033 650__ $$aswanzy, henry rosborough, sir, 1843-1913 000007033 650__ $$aColor Vision Defects$$016912 000007033 650__ $$aColor Perception Tests$$016914 000007033 650__ $$aOptometry$$023250 000007033 8564_ $$917183215-e9a3-4cc7-8ccb-d34a8923aaee$$s1145959$$uhttps://digitalcollections.ohsu.edu/record/7033/files/f11e45e152612ac4eb28f131928d3690.jpg 000007033 905__ $$a/rest/prod/xw/42/n8/39/xw42n839j 000007033 980__ $$aHistorical Collections and Archives