Corneal Asphericity Adjustment (Q Adjustment) in Myopic and Hyperopic Patients Undergoing Refractive Correction With Excimer Laser
This study has been completed.
First Posted: February 16, 2011
Last Update Posted: February 16, 2011
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Information provided by:
Democritus University of Thrace
To study the postoperative results in myopic and hyperopic eyes treated with two different laser ablation algorithms (STD and F-CAT), both FDA approved.
||Observational Model: Cohort
Time Perspective: Prospective
| Study Start Date:
| Study Completion Date:
| Primary Completion Date:
||March 2009 (Final data collection date for primary outcome measure)
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|Ages Eligible for Study:
||Child, Adult, Senior
|Sexes Eligible for Study:
|Accepts Healthy Volunteers:
Forty eight myopic (24 patients) and 24 hyperopic eyes (12 patients)
- Myopic and hyperopic eyes eligible for LASIK or PRK refractive correction
- Central corneal thickness more than 500 micrometers
- 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
No Contacts or Locations Provided
||Eleftherios Paschalis / PhD, Eye Institute of Thrace / Democritus University
History of Changes
|Other Study ID Numbers:
||February 15, 2011
||February 16, 2011
|Last Update Posted:
||February 16, 2011
Keywords provided by Democritus University of Thrace:
Laser ablation algorithms
Corneal Asphericity Adjustment
Additional relevant MeSH terms: