Corneal Asphericity Adjustment (Q Adjustment) in Myopic and Hyperopic Patients Undergoing Refractive Correction With Excimer Laser

Myopia Clinical Trial

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT01296867
• Other study ID #: Q-value
• Status: Completed
• Phase: N/A
• First received: February 15, 2011
• Last updated: February 15, 2011
• Start date: March 2006
• Est. completion date: May 2009

Study information

• Verified date: February 2011
• Source: Democritus University of Thrace
• Contact: n/a
• Is FDA regulated: No
• Health authority: Greece: Ethics Committee
• Study type: Observational

Clinical Trial 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.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 36
• Est. completion date: May 2009
• Est. primary completion date: March 2009
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Both
• Age group: N/A and older

Eligibility

Inclusion Criteria:

• Myopic and hyperopic eyes eligible for LASIK or PRK refractive correction

• Central corneal thickness more than 500 micrometers

Exclusion Criteria:

• 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

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

• Hyperopia
• Myopia

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
Democritus University of Thrace