Title :
Where did the big E come from?
Abstract :
The paper explains how the big E on the Snellen chart that is used to measure the visual acuity of each eye originated.
Keywords :
eye; visual perception; Snellen chart; big E; eye; visual acuity; Anatomy; Bars; Bibliographies; Engineering profession; Eyes; History; Humans; Retina; Testing; Time measurement; History, 19th Century; Netherlands; Ophthalmology; Vision Tests;
Journal_Title :
Engineering in Medicine and Biology Magazine, IEEE
DOI :
10.1109/MEMB.2006.1607678
