Snellen snel·len US/ˈsnɛlʌn/ uncommon noun 1. Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908) SynonymsHermann Snellen Related words Word family Snellen chartSnellen test Broader terms ophthalmologist WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.
