Myopia
Conditions
Interventions
Group A :Once a night
Group B :2 times a week
Group C:1 time a week
Sponsors
Aier Institute of Optometry and Vision Science
Eligibility
Sex/Gender
All
Age
4 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Subjects aged 4-12 years (including 4 and 12 years old), regardless of gender; 2. Subjects whose best corrected visual acuity is not lower than the lower limit of normal value of corresponding age; 3. Subjects with ametropia (according to the results after mydriasis) The equivalent spherical leniency (MSE) of each eye is less than - 1.0d; Astigmatism = 0.5d in the past year; 4. Subjects with IOP < 21 mmHg.
Exclusion criteria
Exclusion criteria: 1. Subjects whose best corrected visual acuity is lower than the lower limit of normal value of corresponding age; 2. Subjects who used at least one of the following myopia prevention and control methods before enrollment: Atropine eye drops (including any concentration); Corneal contact lens; Multifocal frame glasses 3. Subjects allergic to atropine; 4. Children with other complex eye diseases (such as amblyopia, strabismus, corneal scar, cataract, true microphthalmos, glaucoma or ocular tumor); 5. Subjects with severe systemic diseases; 6. Subjects with history of eye surgery and trauma.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diopter;Vision;Eye axis;Corneal curvature; | — |
Secondary
| Measure | Time frame |
|---|---|
| Adjustment function;Eye position;Fusion function;Color vision function;optical coherence tomography, OCT;Fundus;Tear quality;Pupil;Intraocular pressure;Eye behavior data;examination of visual electrophysiology; | — |
Countries
China
Contacts
Public ContactXiaoning Li
Aier Institute of Optometry and Vision Science
Outcome results
None listed