Status:
COMPLETED
Corneal Power, Astigmatism, and Aberration Changes After LASIK
Lead Sponsor:
Oregon Health and Science University
Collaborating Sponsors:
National Eye Institute (NEI)
Conditions:
Measurements of Patients Using OCT Before and After LASIK
Eligibility:
All Genders
18+ years
Brief 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 s...
Detailed Description
A prospective observational study on refraction and HOA changes after LASIK will be conducted at OHSU and Baylor. We will enroll 50 subjects undergoing routine LASIK for the correction of myopia or hy...
Eligibility Criteria
Inclusion
- 1\. Patients who qualify for primary LASIK for either myopia or hyperopia, with or without astigmatism.
Exclusion
- Inability to give informed consent.
- Inability to maintain stable fixation for OCT imaging.
- Inability to commit to required visits to complete the study.
- Eyes with concurrent cataract, retinal diseases, glaucoma, or other eye conditions that may limit the visual outcome after surgery
Key Trial Info
Start Date :
January 1 2011
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
August 31 2017
Estimated Enrollment :
22 Patients enrolled
Trial Details
Trial ID
NCT01893671
Start Date
January 1 2011
End Date
August 31 2017
Last Update
April 5 2018
Active Locations (1)
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1
Oregon Health & Science University
Portland, Oregon, United States, 97239