Corneal Astigmatism Clinical Trial
Official title:
Tomographic Analysis of Anterior, Posterior and Total Corneal Refractive Power Changes After Femtosecond Laser-assisted Keratotomy After Laser Lens Surgery
Verified date | March 2017 |
Source | University Clinic Frankfurt |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
To analyze the effect of femtolaser-assisted keratotomy on corneal astigmatism (anterior, posterior and Total corneal refractive power) measured by Scheimpflug tomography after laser lens surgery.
Status | Completed |
Enrollment | 23 |
Est. completion date | July 31, 2014 |
Est. primary completion date | July 31, 2014 |
Accepts healthy volunteers | |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Patients who received penetrating femtosecond laser-assisted lens surgery with low to moderate corneal astigmatism Exclusion Criteria: - Eyes with irregular corneal astigmatism such as keratoconus, previous corneal surgery, acute or chronic ophthalmic diseases of the anterior segment and intraoperative complications were not included in this study. |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
University Clinic Frankfurt |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change from Baseline Total corneal refractive power at 3 months | Total corneal astigmatism (anterior and posterior astigmatism) | Before and 3 months after lens surgery | |
Secondary | Change from Baseline Anterior corneal astigmatism at 3 months | Anterior corneal astigmatism | Before and 3 months after lens surgery | |
Secondary | Change from Baseline Posterior corneal astigmatism at 3 months | Posterior corneal astigmatism | Before and 3 months after lens surgery |
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