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Visual Acuity Converter
Convert between Snellen fractions and LogMAR values for clinical ophthalmic assessment and research.
Format: numerator/denominator (e.g., 20/40)
Reference Chart
| Snellen | LogMAR | Description |
|---|---|---|
| 20/20 | 0.0 | Normal vision |
| 20/30 | 0.18 | Slight reduction |
| 20/40 | 0.30 | Moderate reduction |
| 20/60 | 0.48 | Significant reduction |
| 20/100 | 0.70 | Legal blindness threshold |
| 20/200 | 1.0 | Legally blind |