No biometry | Biometry | |||||
---|---|---|---|---|---|---|
n | % | n | % | |||
Absolute spherical error: | ||||||
0–0.99 | 117 | 45.2 | 38 | 53.5 | ||
1.0–1.99 | 83 | 32.0 | 26 | 36.6 | ||
2.0–2.99 | 43 | 16.6 | 5 | 7.0 | ||
3.0–3.99 | 13 | 5.0 | 1 | 1.4 | ||
4.0+ | 3 | 1.2 | 1 | 1.4 | ||
Total | 259 | 100.0 | 71 | 100.0 | ||
Cylinder: | ||||||
0–0.99 | 123 | 47.5 | 24 | 33.8 | ||
1.0–1.99 | 79 | 30.5 | 22 | 31.0 | ||
2.0–2.99 | 46 | 17.8 | 20 | 28.2 | ||
3.0–3.99 | 3 | 1.2 | 4 | 5.6 | ||
4.0+ | 8 | 3.1 | 1 | 1.4 | ||
Total | 259 | 100.0 | 71 | 100.0 | ||
Uncorrected VA: | ||||||
6/4–6/6 | 55 | 17.3 | 11 | 12.8 | ||
6/9 | 88 | 27.7 | 20 | 23.3 | ||
6/12 | 48 | 15.1 | 17 | 19.8 | ||
6/18 | 56 | 17.6 | 19 | 22.1 | ||
<6/18 | 71 | 22.3 | 19 | 22.1 | ||
Total | 318 | 100.0 | 86 | 100.0 |