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

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

Completed

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Key information

Conditions

Myopia Eye Diseases Hyperopia Refractive Errors

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Sponsors and collaborators

Lead sponsor

Democritus University of Thrace

Other

Registry information

Important dates

Study start: 2006
Primary completion: 2009
Study completion: 2009
First posted: Feb 16, 2011
Registry last updated: Feb 16, 2011

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed