Number of subjects (n = 4438) stratified into groups of uncorrected visual acuity in the better eye in the Beijing Eye Study
| Visual acuity | Frequency | Cumulative percentage |
|---|---|---|
| LP, light perception; HM, hand movements; FC, finger counting. | ||
| 0.00 | 1 | 0.0 |
| LP | 1 | 0.0 |
| HM | 2 | 0.1 |
| FC | 8 | 0.3 |
| 0.01 | 7 | 0.4 |
| 0.02 | 2 | 0.5 |
| 0.03 | 1 | 0.5 |
| 0.04 | 6 | 0.6 |
| 0.05 | 16 | 1.0 |
| 0.06 | 13 | 1.3 |
| 0.07 | 2 | 1.3 |
| 0.08 | 6 | 1.5 |
| 0.10 | 84 | 3.4 |
| 0.12 | 38 | 4.2 |
| 0.15 | 126 | 7.1 |
| 0.20 | 38 | 7.9 |
| 0.25 | 67 | 9.4 |
| 0.30 | 116 | 12.0 |
| 0.40 | 178 | 16.0 |
| 0.50 | 309 | 23.0 |
| 0.60 | 468 | 33.6 |
| 0.80 | 556 | 46.1 |
| 1.00 | 2393 | 100.0 |