bn:00072420n
Noun Concept
Categories: Optotypes, 1862 introductions, Diagnostic ophthalmology, Dutch inventions, Charts
EN
Snellen chart  Snellen chart types  Snellen eye chart  Snellen fraction  Snellen letter
EN
Display consisting of a printed card with letters and numbers in lines of decreasing size; used to test visual acuity WordNet 3.0
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EN
Display consisting of a printed card with letters and numbers in lines of decreasing size; used to test visual acuity WordNet 3.0 & Open English WordNet
A Snellen chart is an eye chart that can be used to measure visual acuity. Wikipedia
Eye chart used to measure visual acuity Wikidata
A chart bearing letters or other symbols, used to test visual acuity. Wiktionary
DISCOVERER OR INVENTOR
MEASURES
NAMED AFTER
WordNet 3.0 & Open English WordNet
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