Astigmatism combined with physiological hyperopia
Conditions
Interventions
Placebo group:Fixed low-frequency non perceptual training
Control group:None
Perception training group:Perception training of cerebral cortex
Sponsors
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Eligibility
Sex/Gender
All
Age
3 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Age: 3 - 12 years old, gender not restricted; 2. Diagnosed with astigmatism by a professional ophthalmologist; 3. Both eyes meet the following criteria: 0 = 0.8; 4. The difference in refractive power between both eyes is less than 1.50D for spherical lenses and less than 1.00D for cylindrical lenses; 5. Unsatisfied with uncorrected vision and unwilling to wear glasses for correction; 6. Signed the informed consent form, voluntarily participated in this trial, and is able to follow the training plan.
Exclusion criteria
Exclusion criteria: 1. Comorbid with other serious eye diseases, such as keratoconus and amblyopia, etc.; 2. Have severe learning disabilities or attention deficits, which may affect the training outcome; 3. Have a history of migraines, epilepsy or other mental disorders; 4. Are currently participating in other visual training or research that may affect the results of this study; 5. The subjects or their legal guardians are unable to understand and comply with the research requirements.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Uncorrected visual acuity; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual quality;Diopter;Sensitivity of contrast;Axial length of eye; | — |
Countries
China
Contacts
Public ContactJiping Xu
The Zhongshan Ophthalmic Center,Sun Yat-sen University
Outcome results
None listed