| Age Range | Number, Examined Number and Percentage of the Subjects with Different Manifestation | ||||
|
|
| Nodules | Leopard skin | Blindness | Total prevalence |
| 10 - 19 | 4 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 20 - 29 | 14 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 30 - 39 | 9 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 40 - 49 | 13 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 50 - 59 | 8 | 1 (1.72) | 0 (0.00) | 0 (0.00) | 1 (1.72) |
| 60 - 69 | 5 | 1 (1.72) | 0 (0.00) | 0 (0.00) | 1 (1.72) |
| 70 - 79 | 4 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 80 - 89 | 2 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| 90 - 99 | 0 | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) |
| Total | 58 | 2 (3.44) | 0 (0.00) | 0 (0.00) | 2 (3.44) |