Corneal Asphericity Adjustment (Q Adjustment) in Myopic and Hyperopic Patients Undergoing Refractive Correction With Excimer Laser
1 other identifier
observational
36
0 countries
N/A
Brief Summary
To study the postoperative results in myopic and hyperopic eyes treated with two different laser ablation algorithms (STD and F-CAT), both FDA approved.
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 Mar 2006
Typical duration for all trials
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
Study Start
First participant enrolled
March 1, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2009
CompletedFirst Submitted
Initial submission to the registry
February 15, 2011
CompletedFirst Posted
Study publicly available on registry
February 16, 2011
CompletedFebruary 16, 2011
February 1, 2011
3 years
February 15, 2011
February 15, 2011
Conditions
Keywords
Eligibility Criteria
Forty eight myopic (24 patients) and 24 hyperopic eyes (12 patients)
You may qualify if:
- Myopic and hyperopic eyes eligible for LASIK or PRK refractive correction
- Central corneal thickness more than 500 micrometers
You may not qualify if:
- Topographies of less than 55% of successful total sampled area and eyes exhibiting asphericity variations, in either the horizontal or the vertical axis, greater than 0.2
- Corneal scarring
- Cataract surgery
- Corneal ulceration
- Topographical abnormalities
Contact the study team to confirm eligibility.
Sponsors & Collaborators
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
February 15, 2011
First Posted
February 16, 2011
Study Start
March 1, 2006
Primary Completion
March 1, 2009
Study Completion
May 1, 2009
Last Updated
February 16, 2011
Record last verified: 2011-02