Search Result for "snellen": 
Wordnet 3.0

NOUN (1)

1. Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908);
[syn: Snellen, Hermann Snellen]



WordNet (r) 3.0 (2006):

Snellen
    n 1: Dutch ophthalmologist who introduced the Snellen chart to
         study visual acuity (1834-1908) [syn: Snellen, Hermann
         Snellen]