Changes in Angle Kappa and Corneal Back Elevations After Laser in Situ Keratomileusis in Myopic Astigmatism
1 other identifier
observational
50
0 countries
N/A
Brief Summary
Refractive errors and corneal astigmatism are associated with changes in angle kappa and corneal back elevation at the thinnest point in Pentacam. The purpose of this study is to track: The effect of anterior corneal astigmatism treatment on angle kappa and corneal back elevation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Jan 2024
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
First Submitted
Initial submission to the registry
November 19, 2023
CompletedFirst Posted
Study publicly available on registry
December 12, 2023
CompletedStudy Start
First participant enrolled
January 1, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2025
CompletedDecember 12, 2023
December 1, 2023
1.4 years
November 19, 2023
December 3, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Track changes in angle kappa
Track changes in angle kappa with changes in corneal astigmatism
through study completion, an average of 2 years
Study Arms (2)
Cases with high myopic astigmatism
Cases having myopic astigmatism more than 1.5 diopter
Cases with not high astigmatism
Cases having astigmatism less than 1.5 diopter
Eligibility Criteria
2 groups
You may qualify if:
- Myopic astigmatism
You may not qualify if:
- Corneal scar
Contact the study team to confirm eligibility.
Sponsors & Collaborators
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Ophthalmology Specialist
Study Record Dates
First Submitted
November 19, 2023
First Posted
December 12, 2023
Study Start
January 1, 2024
Primary Completion
June 1, 2025
Study Completion
November 1, 2025
Last Updated
December 12, 2023
Record last verified: 2023-12