Recruiting

ASA vs. LASIK

Sponsor:

Ottawa Hospital Research Institute

Code:

NCT00778570

Conditions

Nearsightedness

Farsightedness

Astigmatism

Eligibility Criteria

Sex: All

Age: 0+

Healthy Volunteers: Not accepted

Study Details

Brief summary:

The purpose of this combined retrospective and prospective chart review analysis is to investigate the safety, efficacy, and predictability obtained via Laser-Assisted In Situ Keratomileusis (LASIK) and Advanced Surface Ablation (ASA) over a wide range of refractive errors

The working hypothesis is that there will be no difference in clinical outcomes between patients treated with LASIK or ASA.

Conditions

Nearsightedness

Farsightedness

Astigmatism

Study ID

NCT00778570

Start date

Feb, 2007

Status verified date

Nov, 2014

Completion date

Dec, 2020

Anticipated

Primary completion date

Dec, 2020

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 0+

Healthy Volunteers: Not accepted

Inclusion Criteria:

  • Eyes that were treated for LASIK or ASA Excimer laser vision correction before December 1st 2006 and newly recruited eyes that qualify for LASIK or ASA Excimer laser vision correction may be enrolled in this study.

Exclusion Criteria:

  • There are no exclusion criteria; all patients that went forward with Excimer laser vision correction may be included.

Study Design

Enrollment

4000 participants

Anticipated

Interventions and Outcome Measures

Arms

ASA

Participants treated for Excimer laser vision correction using Advanced Surface Ablation (ASA).

LASIK

Participants treated for Excimer laser vision correction using Laser-Assisted In Situ Keratomileusis (LASIK)

Primary outcome measure

  • Visual Acuity [ Time Frame: 1 day, 1W, 1M, 3M, 6M, 9M, 12M ]

Central Contacts and Locations

Central contacts

George Mintsioulis, MD

613-737-8926gmintsioulis@ottawahospital.on.ca

W.Bruce Jackson, MD

613-737-8759bjackson@ohri.ca

Locations

University of Ottawa Eye Institute

Recruiting

Ottawa, Ontario, Canada, K1H 8L6

Contacts

Gail Kayuk, BSc

613-737-8657gkayuk@ottawahospital.on.ca

Principal Investigator:

George Minstioulis, MD

More Information

Sponsor

Ottawa Hospital Research Institute

Last update posted

Dec 2, 2014

Last verified

Nov, 2014

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by Ottawa Hospital Research Institute on 2014-12-02.