This study evaluates the effect of virtual reality and accommodation relax technique on controlling onset and development of myopia in school-aged children. Half of the children will receive head-mounted video display which shows video with virtual reality and accommodation relax technique in combination, while the other half will receive no intervention.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
1,000
The children will be given head-mounted video display to watch video at break of classes, 40 minutes per day in total. The video will be shown by virtual reality and accommodation relax techniques in combination.
Beijing Tongren Hospital
Beijing, Beijing Municipality, China
Myopia progression
The change in spherical equivalent
Time frame: One year
Axial elongation
Chnage in axial length
Time frame: One year
Accommodative lag
Difference between accommodative demand and accommodative response measured by an open-field autorefractor (WAM-5500, Grand Seiko Co Ltd, Hiroshima, Japan)
Time frame: One week and One month
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