Status:
COMPLETED
Q Value Customized Versus Wavefront Optimized Ablation in Femtosecond Laser-Assisted LASIK
Lead Sponsor:
Assiut University
Conditions:
Patients With Myopic Spherical Equivalent up to -12 Diopters
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
Corneal asphericity is expressed numerically as the "Q-value". A minus value means that corneal curvature flattens towards the periphery and the cornea is prolate in shape, but when the curvature stee...
Detailed Description
The standard excimer laser correction of myopia is associated with decreased visual quality in the form of a decrease in contrast sensitivity and night vision. This degradation of the visual quality i...
Eligibility Criteria
Inclusion
- Candidates for Laser vision correction (LVC) with
- Myopic Spherical Equivalent up to -12 diopters.
- Myopic astigmatism up to -6 diopters.
- Corneal thinnest location ≥ 500 um 4- Residual stromal bed ≥ 300 um.
Exclusion
- Patients not candidates for LVC.
- Hyperopic patients or mixed astigmatism.
- Systemic disease that contraindicates LVC.
- Intra- or post-operative complications. 5- Previous corneal surgery
Key Trial Info
Start Date :
June 1 2020
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 30 2021
Estimated Enrollment :
40 Patients enrolled
Trial Details
Trial ID
NCT04738903
Start Date
June 1 2020
End Date
June 30 2021
Last Update
July 20 2021
Active Locations (1)
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1
TIBA eye center
Asyut, Egypt, 71516