Agreement and Accuracy of Different Devices Corneal Measurements

Completed

• Conditions: Keratoconus

• Registration Number: NCT04383366
• Lead Sponsor: Gerald Schmidinger

Brief Summary

To compare repeatability, reproducibility and agreement of both, AS- OCT and Scheimpflug imaging, for the measurement of corneal curvature and corneal thickness in patients with keratoconus.

Detailed Description

Not available

Study Timeline

• Study Start: 2019-10-21
• Primary Completion: 2020-02-06
• Study Completion: 2020-02-06
• Study First Submitted: 2020-05-07
• Study First Submitted QC: 2020-05-11
• Study First Posted: 2020-05-12
• Status Verified: 2021-03
• Last Update Submitted: 2021-03-02
• Last Update Posted: 2021-03-03

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 50

Inclusion Criteria

• Men and women aged between 18 and 99 years
• Presence of keratoconus
• Signed informed consent

Exclusion Criteria

• Contact lens history within 5 days
• Pathologic changes of the lid or conjunctiva on slit-lamp examination
• History of corneal ocular surgery/Previous corneal cross-linking

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
maximum K-value	1 day

Secondary Outcome Measures

Name	Time	Method
Thinnest corneal point	1 day
Simulated minimum and maximum K-value	1 day
Mean K-values	1 day
Central Corneal thickness	1 day

Trial Locations

Locations (1)

Medical University of Vienna, Department of Ophthalmology; 🇦🇹 Vienna, Austria