Definition of Snellen test in English:

Snellen test

Syllabification: Snel·len test
Pronunciation: /ˈsnelən ˌtest
 
/

noun

A test of visual acuity using rows of letters printed in successively decreasing sizes (the Snellen scale).
More example sentences
  • The Snellen test for visual acuity is the test most commonly used and is based on distance vision.
  • As with the Snellen test, each eye is tested separately and then together, with and without corrective lenses.
  • The values represented here are estimates of how the child would have scored on the Snellen scale.

Origin

mid 19th century: named after Hermann Snellen (1834–1908), Dutch ophthalmologist.

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