Myopia
Conditions
Interventions
Active Eye Movement Group:None
Inactive eye movement group:None
Sponsors
Peking University People's Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Children aged 8-12 years old; 2. At the initial visit, the cycloplegic refraction spherical equivalent is between -0.50D and -4.00D; 3. At the initial visit, the astigmatism is <=1.50DC; 4. Anisometropia <1.25D.
Exclusion criteria
Exclusion criteria: 1. Suspected genetic syndromes (such as Stickler, Marfan, etc.); 2. Other eye diseases (such as glaucoma, juvenile cataracts or retinal abnormalities, any form of strabismus).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| After 1 year, the spherical equivalent progression is <= 0.75 D or the axial length increase is < 0.2 cm.;Frequency of eye movements;Control effect of defocus lenses; | — |
Secondary
| Measure | Time frame |
|---|---|
| Other: sex, age, initial refractive error, family history of high myopia, visual workload, eye movement data, best-corrected visual acuity, spherical equivalent (non-cycloplegic/ cycloplegic), cylindrical power (non-cycloplegic/ cycloplegic), axis of astigmatism (non-cycloplegic/ cycloplegic), intraocular pressure, pupil diameter, interpupillary distance, pupil height, axial length, corneal topography, near point of convergence, stereopsis, amplitude of accommodation, BCC, PRA, NRA, near phoria,; | — |
Countries
China
Contacts
Public ContactWang kai
Peking University People's Hospital
Outcome results
None listed