Effects of Different Add Powers on the Comfort and Productivity of Computer Users With Fixed or Free Head Movement
Clinical trial NCT00317525 · COMPLETED
Trial details
- NCT number
- NCT00317525
- Sponsor
- American Optometric Association
- Status
- COMPLETED
- Phase
- Phase 3
- Study type
- INTERVENTIONAL
- Start date
- 2005-05-01
- Enrollment
- 36
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