An eyesight test using rows of letters printed in successively decreasing sizes (the Snellen scale) of which patients are asked to read as many as they can.
Oraciones de ejemplo
- 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.
Mid 19th century: named after Hermann Snellen (1834–1908), Dutch ophthalmologist.
Definición de Snellen test en:
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