Eye Examinations as a Gold Standard to Evaluating Survey Instruments
Clinical trial NCT02244060 · COMPLETED
Trial details
- NCT number
- NCT02244060
- Sponsor
- Harvard School of Public Health (HSPH)
- Status
- COMPLETED
- Phase
- Not Applicable
- Study type
- INTERVENTIONAL
- Start date
- 2014-09-01
- Primary completion
- 2014-10-01
- Enrollment
- 4320
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