Investigating the Safety and Effect of Overnight Orthokeratology and Its Influencing Factors
1 other identifier
observational
400
1 country
1
Brief Summary
To investigate the Safety and Effect of Overnight Orthokeratology and Its Influencing Factors in China
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jul 2020
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2020
CompletedFirst Submitted
Initial submission to the registry
May 31, 2021
CompletedFirst Posted
Study publicly available on registry
June 2, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2022
CompletedJune 2, 2021
May 1, 2021
2 years
May 31, 2021
May 31, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
axial length
changes in axial length
1 year
Interventions
Eligibility Criteria
myopia patients who were using orthokeratology for myopia control
You may qualify if:
- Patients who were successfully prescribed with ortho-k lenses in Eye Center of the Second Affiliated Hospital of Zhejiang University School of Medicine
You may not qualify if:
- Patients who have ceased wearing orthokeratology or who were using other methods of myopia control
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Second Affiliated Hospital, School of Medicine, Zhejiang University
Hangzhou, Zhejiang, 310009, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Zhiwen Bian, doctor
2nd Affiliated Hospital, School of Medicine, Zhejiang University, China
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 31, 2021
First Posted
June 2, 2021
Study Start
July 1, 2020
Primary Completion
July 1, 2022
Study Completion
July 1, 2022
Last Updated
June 2, 2021
Record last verified: 2021-05