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The criteria for the three sports classes for athletes with vision impairment.
| Class | Criteria |
|---|---|
| B3 | VA is between 1.0 and 1.5 logMAR (inclusive) and/or the VF is constricted to a radius of less than 20° |
| B2 | VA is between 1.5 and 2.6 logMAR (inclusive) and/or the VF is constricted to a radius of less than 5° |
| B1 | VA is worse than 2.6 logMAR |
