Productivity Study of Presbyopia Improvement in Textile Workers
Clinical trial NCT04172935 · NOT_YET_RECRUITING
Trial details
- NCT number
- NCT04172935
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
- Status
- NOT_YET_RECRUITING
- Phase
- Not Applicable
- Study type
- INTERVENTIONAL
- Start date
- 2019-12-13
- Primary completion
- 2019-12-21
- Enrollment
- 136
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