Effects of Wearing Progressive Addition Lens on Working Distance and Refractive Status in Adult Computer Users
Clinical trial NCT02775396 · COMPLETED
Trial details
- NCT number
- NCT02775396
- Sponsor
- The Hong Kong Polytechnic University
- Status
- COMPLETED
- Phase
- Not Applicable
- Study type
- INTERVENTIONAL
- Start date
- 2014-09-01
- Primary completion
- 2015-03-01
- Enrollment
- 64
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