Where did the big E come from?.

Where did the big E come from?.

The paper explains how the big E on the Snellen chart that is used to measure the visual acuity of each eye originated.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τόπος έκδοσης:IEEE Engineering in medicine and biology magazine 25, 2 (2006).
Κύριος συγγραφέας: Geddes, L.
Μορφή: Άρθρο
Γλώσσα:English
Θέματα:
Snellen chart.
Big E.
Eye.
Visual acuity.