OCULUS - Corvis® ST
The OCULUS Corvis® ST utilises a newly developed high-speed Scheimpflug camera to record the cornea’s dynamic response to a defined air pulse with exceptional precision.
Capturing over 4,300 images per second, the system enables accurate measurement of IOP and corneal thickness, based on a 31 ms video sequence of 140 images taken immediately after the air pulse.
This detailed analysis of corneal biomechanical properties allows for the calculation of a biomechanically corrected IOP (bIOP) and supports the early detection of ectatic diseases such as keratoconus.
Additionally, insights into corneal biomechanics play a vital role in understanding the development and progression of glaucoma, making the Corvis® ST an invaluable tool in advanced ocular diagnostics.
- Biomechanically Corrected IOP (bIOP): Provides IOP readings that are less dependent on corneal thickness and biomechanical properties, ensuring greater accuracy and consistency
- Vinciguerra Screening Report & Corvis Biomechanical Index (CBI): Enables early detection of keratoconus by combining biomechanical data with pachymetric progression analysis, presented in easytointerpret charts
- Tomographic Biomechanical Index (TBI): Integrates Pentacam® tomographic data with Corvis® ST biomechanical data using AI to enhance ectasia risk detection and improve patient safety
The Power of Combined Diagnostics for Refractive Surgery
When used together, the OCULUS Corvis® ST and Pentacam® provide an unparalleled level of diagnostic confidence through the Tomographic Biomechanical Index (TBI). This unique index combines the detailed tomographic data from the Pentacam® with the biomechanical measurements of the Corvis® ST, delivering a comprehensive assessment of corneal stability. The result is a significantly more reliable ectasia risk assessment, enabling clinicians to make well-informed decisions about the most suitable treatment for each patient. Supported by AI-driven analysis, the TBI streamlines workflows, improves patient selection, and ultimately increases surgical throughput. With this powerful diagnostic combination, practitioners can confidently determine the best refractive surgery approach for every patient.
- Biomechanically Corrected IOP (bIOP): Provides IOP readings that are less dependent on corneal thickness and biomechanical properties, ensuring greater accuracy and consistency
- Vinciguerra Screening Report & Corvis Biomechanical Index (CBI): Enables early detection of keratoconus by combining biomechanical data with pachymetric progression analysis, presented in easytointerpret charts
- Tomographic Biomechanical Index (TBI): Integrates Pentacam® tomographic data with Corvis® ST biomechanical data using AI to enhance ectasia risk detection and improve patient safety
- BEST Display (Homburg Biomechanical ESTaging): Visualises and quantifies biomechanical changes over time, allowing for early detection of keratoconus progression and monitoring of postcorneal crosslinking outcomes
- Glaucoma Screening with Biomechanical Glaucoma Factor (BGF): Offers an early risk indicator for normal tension glaucoma (NTG), enabling more confident clinical decisionmaking
- OCULUS Corvis® STDownload

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- Highresolution corneal topography and keratometry
- Noninvasive tear film and dry eye analysis
- Meibography for gland visualisation and assessment
- Contact lens fitting and keratoconus support
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- Scheimpflug tomography provides detailed anterior segment imaging quickly
- Optical biometry yields precise axial length measurements
- Fast automated measurements with built-in quality control tests
- Software supports comprehensive analysis and future module expansion
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- Combines tomography, biometry, refraction, wavefront, retroillumination scanning
- Contact-free axial length measurement for precise biometric data
- Whole-eye wavefront analysis reveals optical aberration profiles
- Supports comprehensive diagnostics for surgery, screening, management
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- High-resolution Scheimpflug imaging captures 3D anterior segment
- Contact-free measurement offers rapid, reproducible results
- Detailed corneal and chamber maps enhance diagnostics
- Fast Screening Report simplifies clinical decision layout
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