hyperopia, anisometropia
Conditions
Sponsors
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
6 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Aged 6 years or older and 12 years or younger; 2. The more hyperopic eye has a spherical refractive error between +3.0 D and +7.5 D; the less hyperopic eye has a spherical refractive error of at least +2.0 D; cylindrical refractive error between –2.0 D and 0 D; interocular difference in spherical power >=1.5 D and in cylindrical power <=1.0 D; 3. Best-corrected visual acuity of 0.0 logMAR or better in both eyes; 4. Ocular deviation with spectacles less than 10 prism diopters; 5. Has been wearing standard single-vision spectacles regularly for more than six months; 6. In good general health, capable of receiving the study intervention, and willing to comply with the study protocol; 7. Written informed consent obtained from both the parent/guardian and the child, with agreement to comply with all study procedures and maintain follow-up availability throughout the study period;
Exclusion criteria
Exclusion criteria: 1. History of ocular trauma or eye surgery; 2. Presence of pathological abnormalities on anterior or posterior segment examination, or a history of organic ocular diseases such as cataract, glaucoma, corneal disease, or fundus disorders; 3. Intraocular pressure greater than 21 mmHg; 4. Presence of systemic diseases or other conditions deemed unsuitable for study participation; 5. Any other condition deemed inappropriate for participation in the clinical trial by the investigator;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| Stereopsis;Intraocular pressure;Intervention questionnaire;Contrast sensitivity;Weight;Best-corrected visual acuity;Choroidal thickness (optional);Height;Refractive error;Accommodative function;Angle of deviation; | — |
Countries
China
Contacts
Public ContactJinrong Li
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Outcome results
None listed