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Astigmatism types according to the cylindrical value
| Astigmatism types | Reference range value | LE | RE | ||
|---|---|---|---|---|---|
| Number of cases | % | Number of cases | % | ||
| Low astigmatism | (-0.75) - 0 D | 2760 | 64.47% | 2803 | 65.48% |
| Moderate astigmatism | (-1) - (-2.5) D | 991 | 23.15% | 867 | 20.25% |
| High astigmatism | > (-2.5) D | 240 | 5.61% | 200 | 4.67% |
| Total | - | 4281 | 100% | 4281 | 100% |
