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Distribution of Visual Acuity in Better Eye of Industrial Workers.
| Factory | Visual Acuity | |||
|---|---|---|---|---|
| 6/4 – 6/18 | 6/18-6/36 | <6/36 | Total | |
| Construc. | 182 (91.0%) | 15 (7.5%) | 3 (1.5%) | 200 |
| Rubber Fac. | 173 (96.1%) | 7 (3.9%) | - | 180 |
| Oil Mill | 116 (96.7%) | - | 4 (3.3%) | 120 |
| Total | 471 (94.2%) | 22 (4.4%) | 7 (1.4%) | 500 |
