A Study to Investigate the Safety and Effectiveness of Aspheric Laser Refractive Surgery Treatments for Myopia
Primary Purpose
Myopia, Astigmatism
Status
Completed
Phase
Not Applicable
Locations
Study Type
Interventional
Intervention
The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm
The Bausch & Lomb Zyoptix Tissue Saving algorithm
Sponsored by
About this trial
This is an interventional treatment trial for Myopia
Eligibility Criteria
Inclusion Criteria: Myopia with or without astigmatism. Normal Corneal topography Willing to have both eyes treated with the laser. Exclusion Criteria: Contraindications to LASIK.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Active Comparator
Arm Label
Zyoptix Tissue Saving Aspheric
Zyoptix Tissue Saving
Arm Description
The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm is used for treatment with LASIK for the correction of myopia and myopic astigmatism.
The Bausch & Lomb Zyoptix Tissue Saving algorithm is used for treatment with LASIK for the correction of myopia and myopic astigmatism.
Outcomes
Primary Outcome Measures
Uncorrected visual acuity
Preservation of best spectacle corrected high contrast logMAR distance visual acuity compared to baseline.
Secondary Outcome Measures
Deviation from target correction
Improvement in uncorrected distance high contrast logMAR visual acuity compared to baseline
Full Information
NCT ID
NCT00365677
First Posted
June 30, 2006
Last Updated
December 7, 2011
Sponsor
Bausch & Lomb Incorporated
1. Study Identification
Unique Protocol Identification Number
NCT00365677
Brief Title
A Study to Investigate the Safety and Effectiveness of Aspheric Laser Refractive Surgery Treatments for Myopia
Official Title
Compare the Safety and Effectiveness of Two Versions of the Bausch & Lomb Zyoptix™ Tissue Saving Aspheric Algorithm to the Current Zyoptix™ Tissue Saving Algorithm When Used for Myopia and Myopic Astigmatism Lasik Treatment
Study Type
Interventional
2. Study Status
Record Verification Date
December 2011
Overall Recruitment Status
Completed
Study Start Date
October 2005 (undefined)
Primary Completion Date
March 2006 (Actual)
Study Completion Date
March 2006 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Bausch & Lomb Incorporated
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
The objective of this study was to compare the safety and effectiveness of two versions of the Bausch & Lomb Zyoptix Tissue Saving Aspheric Algorithm versus the current Zyoptix Tissue Saving Algorithm when used for myopia and myopic astigmatism LASIK treatment.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Myopia, Astigmatism
7. Study Design
Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
Participant
Allocation
Randomized
Enrollment
127 (Actual)
8. Arms, Groups, and Interventions
Arm Title
Zyoptix Tissue Saving Aspheric
Arm Type
Experimental
Arm Description
The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm is used for treatment with LASIK for the correction of myopia and myopic astigmatism.
Arm Title
Zyoptix Tissue Saving
Arm Type
Active Comparator
Arm Description
The Bausch & Lomb Zyoptix Tissue Saving algorithm is used for treatment with LASIK for the correction of myopia and myopic astigmatism.
Intervention Type
Device
Intervention Name(s)
The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm
Intervention Description
Used with LASIK treatment for the correction of myopia and myopic astigmatism.
Intervention Type
Device
Intervention Name(s)
The Bausch & Lomb Zyoptix Tissue Saving algorithm
Intervention Description
Used with LASIK treatment for the correction of myopia and myopic astigmatism.
Primary Outcome Measure Information:
Title
Uncorrected visual acuity
Time Frame
At 90 days post surgery
Title
Preservation of best spectacle corrected high contrast logMAR distance visual acuity compared to baseline.
Time Frame
At 90 days post surgery
Secondary Outcome Measure Information:
Title
Deviation from target correction
Time Frame
At 90 days post surgery
Title
Improvement in uncorrected distance high contrast logMAR visual acuity compared to baseline
Time Frame
At 90 days post surgery
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria:
Myopia with or without astigmatism.
Normal Corneal topography
Willing to have both eyes treated with the laser.
Exclusion Criteria:
Contraindications to LASIK.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Joanne Egamino, PhD
Organizational Affiliation
Bausch & Lomb Incorporated
Official's Role
Study Director
12. IPD Sharing Statement
Learn more about this trial
A Study to Investigate the Safety and Effectiveness of Aspheric Laser Refractive Surgery Treatments for Myopia
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