The Effect of Treatment Zone Decentration on Axial Length Elongation After Orthokeratology
Completed
- Conditions
- MyopiaOrthokeratology
- Registration Number
- NCT05365373
- Lead Sponsor
- Tianjin Eye Hospital
- Brief Summary
Orthokeratology lens is an effective method for myopia control. This study analyzed the effects of treatment zone decentration on axial length elongation in adolescents with orthokeratology lens.
- Detailed Description
Orthokeratology lens is an effective method for myopia control. This study aimed to investigate the effects of treatment zone decentration on axial length elongation in adolescents with orthokeratology lens in 1 year. Other factors that may affect axial growth were also analyzed.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 251
Inclusion Criteria
- age from 8 to 15years
- spherical equivalent(SE) was range from -1.00D to -5.00D
- conform to the standard of wearing orthokeratology lens
Exclusion Criteria
- ocular diseases and systemic diseases
- stop wearing for ≥7 days for any reason during the follow-up period
- keratoconjunctival complications, glare, diplopia, or any other symptoms during follow-up
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The change of axial length The change of baseline、6 months and 12months The axial length was measured by IOL-Master 500, its expressed in mm
- Secondary Outcome Measures
Name Time Method the decentration magnitudes of the treatment zone up to 1 year The value of decentration magnitudes was obtained and calculated from a corneal topography
Trial Locations
- Locations (1)
Tianjin Eye Hospital
🇨🇳Tianjin, Tianjin, China