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Agreement and Reproducibility of Intraocular Lens Tilt and Decentration Measurements: A Comparison between CASIA2 and CILT
This prospective observational study evaluates the agreement and reproducibility of intraocular lens (IOL) tilt and decentration measurements obtained from two different imaging modalities: the CASIA2 anterior segment swept-source optical coherence tomography (AS-SS-OCT) system and the Calculator for Intraocular Lens Tilt (CILT) software, based on standardized anterior segment image analysis.
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| Measure | Description | Time Frame |
|---|---|---|
| Intraocular Lens Tilt (CASIA2 and CILT) | Intraocular lens (IOL) tilt, measured in degrees, assessed from anterior segment swept-source optical coherence tomography (AS-SS-OCT) images using the CASIA2 system and CILT software. Tilt is defined as the angle between the IOL plane and the corneal vertex. | Measured during the pre-surgery examination under normal pupil conditions and after pharmacologic dilation (45 minutes post-mydriatic instillation). |
| Intraocular Decentration (CASIA2 and CILT) | Intraocular lens (IOL) decentration, measured in micrometers, assessed from anterior segment swept-source optical coherence tomography (AS-SS-OCT) images using the CASIA2 system and CILT software. Decentration is defined as the distance between the IOL center and the corneal vertex. | Measured during the pre-surgery examination under normal pupil conditions and after pharmacologic dilation (45 minutes post-mydriatic instillation). |
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Inclusion Criteria:
Exclusion Criteria:
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planned cataract surgery
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Konstantin Seiller-Tarbuk, Dr. med. | Contact | 00431211215141 | konstantin.seiller@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Michael Amon, Prim. Univ. Prof. Dr. | Hospital St. John of God | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Krankenhaus der Barmherzigen Brüder Wien | Recruiting | Vienna | State of Vienna | 1020 | Austria |
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