Table 6.
Comparison of higher-order aberration in present study with other studies.
| Location | Age | Device | Pupil size | Mean ± SD (micrometer) |
|---|---|---|---|---|
| USA38 | 20–71 | Hartmann-Shack, WaveScan (Visx) | 6 | 0.305 ± 0.095 |
| USA,spain, japan18 | 21–65 | Hartmann Shack zywave (Baush & Lomb) | 6 | 0.327 ± 0.130 |
| Malaysia17 | 22–52 | Hartmann Shack zywave (Baush & Lomb) | 6 | 0.554 ± 0.428 |
| Singapore48 | 18–27 | Hartmann Shack zywave (Baush & Lomb) | 6 | 0.385 ± 0.118 |
| Chine14 | 21.5–52.8 | Hartmann Shack zywave (Baush & Lomb) | 6 | 0.49 ± 0.16 |
| India35 | 18–34 | Hartmann Shack zywave (Baush & Lomb) | 6 | 0.36 ± 0.26 |
| USA (caucasian)49 | 20–67 | Hartmann-Shack,WaveScan (Visx) | 6 | 0.23 ± 0.11 |
| Current study (Iran) | 40–64 | Hartmann Shack zywave (Baush & Lomb) | 5 | 0.306 ± 0.16 |
| Brazil (asian)50 | 32.78 ± 7.69 | OPD Scan (Nidek) | 6 | 0.514 ± 0.711 |
| Brazil (non-asian)50 | 30.93 ± 7.98 | OPD Scan (Nidek) | 6 | 0.553 ± 0.705 |