Comparisons of the Astigmatic Power of Toric Intraocular Lens Using Three Toric Calculators: AcrySof, TECNIS, and iTrace Toric Calculator
NCT ID: NCT01978106
Last Updated: 2013-11-07
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
100 participants
OBSERVATIONAL
2013-01-31
2013-04-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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COHORT
RETROSPECTIVE
Study Groups
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a WTR corneal astigmatism group
Corneal astigmatism was defined as WTR when the steep corneal cylinder axis was within 30 degrees of the horizontal axis.
No interventions assigned to this group
an ATR corneal astigmatism group
Corneal astigmatism was defined as ATR when the cylinder axis was within 30 degrees of the vertical axis.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Subjects with preoperative corneal astigmatism greater than 0.75 D, as determined by autokeratometry
Exclusion Criteria
* a history of intraocular or corneal surgery and ocular trauma
* biomicroscopic evidence of corneal disease that could affect corneal astigmatisms
* contact lens wearer
33 Years
87 Years
ALL
Yes
Sponsors
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Yonsei University
OTHER
Responsible Party
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Locations
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Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine
Seoul, , South Korea
Countries
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Other Identifiers
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1-2013-0041
Identifier Type: -
Identifier Source: org_study_id
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