Agreement and Accuracy of Different Devices Corneal Measurements

Gerald Schmidinger50 enrolled

Overview

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.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Keratoconus

Interventions

Pentacam® (Oculus, Inc., Wetzlar, Germany)DEVICE

Scheimpflug imaging

Casia II (Tomey Germany, Nürnberg)DEVICE

Anterior segment optical coherence tomography

Spectralis Anterion (Heidelberg Engineering, Heidelberg, Germany)DEVICE

Anterior segment optical coherence tomography

Eligibility

Sex: ALLMin age: 18 YearsMax age: 99 Years

Medical Language ↔ Plain English

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

Locations (1)

Medical University of Vienna, Department of Ophthalmology

Vienna, Austria

Outcomes

Primary Outcomes

maximum K-value

Time frame: 1 day

Secondary Outcomes

Simulated minimum and maximum K-value

Time frame: 1 day

Mean K-values

Time frame: 1 day

Central Corneal thickness

Time frame: 1 day

Thinnest corneal point

Time frame: 1 day

Data from ClinicalTrials.gov

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