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Snellen Visual Acuity Interpretation
Interprets Snellen chart visual acuity measurements. Standard notation: 6/x metres (UK) or 20/x feet (US). Used to screen for visual impairment, assess driving eligibility, and guide referral to ophthalmology.
References
- Snellen H. Probebuchstaben zur Bestimmung der Sehschärfe. Utrecht: Van de Weijer, 1862.
- DVLA. Assessing fitness to drive: a guide for medical professionals. UK Driver and Vehicle Licensing Agency. 2023.
Related
Curated clinical cross-links plus same-class fallbacks.
Pathways
- Adult Upper Airway Obstruction (Stridor) · DAS 2015 unanticipated difficult airway; RCEM
- Epistaxis Management · ENT-UK / NICE
- Acute Otitis Media · NICE NG91 2018
- Tonsillitis and Sore Throat · NICE NG84 2018
- Benign Paroxysmal Positional Vertigo · NICE CG124 / AAO-HNS Guidelines
- Acute Rhinosinusitis · NICE NG79 2017 / EPOS 2020
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.