Table 3. The number and percentage of eyes within ±0.5 Diopter and ±1.00 Diopter from the target refraction.
| Formula/method | Within ±0.5 D | Within ±1.00 D | |||
|---|---|---|---|---|---|
| N | % | N | % | ||
| Haigis-L | 14 | 43.75 | 24 | 75.00 | |
| Barrett True-K | 19 | 59.38 | 29 | 90.63 | |
| Shammas-PL | 19 | 59.38 | 28 | 87.50 | |
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