Orthokeratology is becoming popular for the treatment of myopia children. Many studies have shown that orthokeratology is effective in temporarily reducing refractive error, and is also helpful for controlling myopia progression. However, the mechanism for its slowing myopia progression and rebound effect after the treatment have not been clearly studied. In addition, the effect of orthokeratology among Chinese children has not been evaluated with randomized controlled trial.This study is to assess the effect of orthokeratology versus spectacles on myopia progression in school-aged Chinese children during two years.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
100
Beijing Tongren Hospital
Beijing, Beijing Municipality, China
Refraction
The participants will be measured for their cycloplegic central refractive error before and after wearing the orthokeratology. Peripheral refraction will also be measured by WAM-5500.
Time frame: Change from baseline at 1 year
Axial length
The Lenstar will be used to measure the axial length.
Time frame: Change from baseline at 1 year
Refraction
Time frame: Change from baseline at 2 years
Axial length
Time frame: Change from baseline at 2 years
Tear film break up time(BUT)
Time frame: Change from baseline at 1 year
Self evaluation of comfortableness
Time frame: Change from baseline at 1 year
Corneal endothelial cell density
Time frame: Change from baseline at 1 year
Tear film break up time(BUT)
Time frame: Change from baseline at 2 years
Self evaluation of comfortness
Time frame: Change from baseline at 2 years
Corneal endothelial cell density
Time frame: Change from baseline at 2 years
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