Distribution of contact lens (CL) types among AK patients who had been using CL
| Contact lens use | No (%) | (Estimated % of CL users,14 sample size=832) |
|---|---|---|
| Soft: disposal frequency 1–4 weeks | 134 (60) | (50) |
| Soft: disposal frequency >4 weeks or not known | 71 (32) | (30) |
| Rigid gas permeable | 14 (6) | (19) |
| Hard | 3 (1) | (1) |
| Soft-rigid combination | 2 (1) | None recorded |
| Scleral | 1 (<1) | None recorded |
| Total | 225 (100) | (100) |