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

Democritus University of Thrace

Status: Completed

Conditions: Myopia; Hyperopia

Study type: Observational

Funder types: Other

Identifiers

NCT01296867

Q-value

Details and patient eligibility

About

To study the postoperative results in myopic and hyperopic eyes treated with two different laser ablation algorithms (STD and F-CAT), both FDA approved.

Enrollment: 36 patients

Sex: All

Volunteers: Accepts Healthy Volunteers

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