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General information
| Question text: | How often does your eye pain occur? |
| Answer type: | Radio buttons |
| Answer options: | 1 Constantly 2 Several times per day 3 Several times per week 4 Several times per month 5 Less than once per month, but several times over the last 6 months 6 Once or twice in the last 6 months 7 I don't know |
| Label: | how often eye pain occur |
| Empty allowed: | One-time warning |
| Error allowed: | Not allowed |
| Multiple instances: | No |