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NCT01893671 · ClinicalTrials.gov registry record
Corneal Power, Astigmatism, and Aberration Changes After LASIK
A clinical trial, sponsored by Oregon Health and Science University.
- Completed
- Registry status
- 22
- Enrollment target
NCT01893671: Completed study, sponsored by Oregon Health and Science University.
NCT01893671 is a clinical trial that has completed, run by Oregon Health and Science University. The registered enrollment target is 22 participants. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01893671 has completed, sponsored by Oregon Health and Science University.
- COMPLETED
- Registry status
- 22 participants
- Enrollment target
Study Summary
The primary goal of the study is to determine if Optical Coherence Tomography (OCT) measurement of corneal power and astigmatism is more accurate than conventional Placido-ring corneal topography. A second goal is to evaluate OCT-based epithelial thickness mapping. The postoperative epithelial thickness variation will be used to calculate refractive effects and calibrate the smoothing parameter in the mathematical model relating corneal mean curvature and epithelial thickness. A third goal is to assess the repeatability of OCT measurements. A fourth goal is to develop a method of estimating the focusing power, astigmatism, and HOA of the crystalline lens based on measurements of the lens' anterior and posterior capsular topographies and positions with the ultrahigh-speed MIT OCT prototype.
Primary Outcome
primary goal of the study is to determine if OCT measurement of corneal power and astigmatism is more accurate than conventional Placido-ring corneal topography
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 22 participants |
| Start Date | 2011-01 |
| Est. Completion | 2017-08-31 |
What the finished NCT01893671 record still lists
NCT01893671 is an observational study that tracks outcomes without assigning an intervention. The registry caps enrollment at 22 participants, a relatively small participant target.
The record links to 0 conditions, and to 0 interventions.
NCT01893671 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01893671 about?
NCT01893671 is a clinical study titled "Corneal Power, Astigmatism, and Aberration Changes After LASIK". The primary goal of the study is to determine if Optical Coherence Tomography (OCT) measurement of corneal power and astigmatism is more accurate than conventional Placido-ring corneal topography. A second goal is to evaluate OCT-based epithelial thickness mapping. The postoperative epithelial thick...
What is the current status of trial NCT01893671?
This trial is currently completed. The enrollment target is 22 participants. The study started on 2011-01. Estimated completion is 2017-08-31.
Who is sponsoring clinical trial NCT01893671?
This trial is sponsored by Oregon Health and Science University, which has 546 total clinical trials registered on ClinicalTrials.gov.
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