Agreement and Accuracy of Different Devices Corneal Measurements
Completed
- Conditions
- Keratoconus
- Interventions
- Device: Pentacam® (Oculus, Inc., Wetzlar, Germany)Device: Casia II (Tomey Germany, Nürnberg)Device: Spectralis Anterion (Heidelberg Engineering, Heidelberg, Germany)
- 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
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
- Arm && Interventions
Group Intervention Description Patients with keratoconus Casia II (Tomey Germany, Nürnberg) - Patients with keratoconus Pentacam® (Oculus, Inc., Wetzlar, Germany) - Patients with keratoconus Spectralis Anterion (Heidelberg Engineering, Heidelberg, Germany) -
- 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