A Snellen eye chart from 1948:
next post 1948 Boylston Medical Society
previous post 1947 Harvard Medical School postcard
first post in Arnold's Story July 1943
first post in blog Leonard's Story: May 29, 1943
Showing posts with label Snellen Eye Chart. Show all posts
Showing posts with label Snellen Eye Chart. Show all posts
Friday, February 19, 2021
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