Definition that contains snellen chart
- acuity sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
- hermann snellen Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908)
- visual acuity sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
- sharp-sightedness sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
- snellen Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834-1908)
- snellen test a test of visual acuity using a Snellen chart