Effects of Wearing Progressive Addition Lens on Working Distance and Refractive Status in Adult Computer Users
NCT02775396
·
clinicaltrials.gov ↗
NA
Phase
COMPLETED
Status
64
Enrollment
OTHER
Sponsor class
Conditions
Video Game Play Using Handheld Computer
Interventions
DEVICE:
Spectacle lens
Sponsor
The Hong Kong Polytechnic University
Collaborators
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