myopia
Conditions
Interventions
OKBC Group:None
OKRL Group:None
OK Group:None
OKA Group:None
Sponsors
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Age
8 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Age 8–12 years; 2. Both eyes SE range 0 to -6.00 D; 3. Best corrected visual acuity in both eyes >=1.0; 4. Can ensure wearing orthokeratology lenses for 8–10 hours each night; 5. No history of ocular trauma or surgery; 6. No history of acute or chronic ocular inflammation, such as keratoconjunctivitis or tear abnormalities; 7. Able to carefully care for lenses according to medical instructions and undergo regular standardized follow-ups; 8. Standard use of 0.1 g·L-1 atropine, red light, or other interventions to slow myopia progression; 9. Complete follow-up data.
Exclusion criteria
Exclusion criteria: 1. After wearing OK lenses for one year, the axial length growth of both eyes is less than 0.30mm; 2. Serious complications occur during this period (such as repeated episodes of keratitis, etc.); 3. Cases with incomplete data or lost to follow-up; 4. The range of equivalent spherical refraction (SE) in both eyes is less than -6.00D, and astigmatism is less than -2.00D; 5. Vision is unstable during OK lens wear, falling below 0.2 (LogMAR) multiple times; 6. Change of orthokeratology lens brand.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Annual axial length elongation with different intervention measures; | — |
Secondary
| Measure | Time frame |
|---|---|
| SE;Ocular Surface Examination; | — |
Countries
China
Contacts
Public ContactMeinan He
Tianjin Medical University Eye Hospital
Outcome results
None listed