CSO Osiris-T

CSO Osiris-T

The information provided by Osiris-T, a corneal topographer combined with a total ocular aberrometer, is indispensable for the correct evaluation of patients who have, in addition to traditional low-order defects, even more complex ocular aberrations, either corneal or internal.

ABERROMETER:
Osiris-T has a unique pyramidal sensor design that allows the aberrometer to measure aberrations with a resolution of 45,000 points (at the maximum pupil diameter), with a wide dynamic range. It is also able to measure the ocular wavefront in real time with a frame rate of up to 33 images per second: this makes it possible to measure and view changes in power and aberrations while the patient is accomodating. Phoenix software offers a wide range of analysis options, such as refractive error maps and visual simulations (PSF, MTF and convolution with optotype), which helps the clinician to understand and explain the patient’s visual problems.

TOPOGRAPH:
Using a reflection topography system based on a 22 ring Placido disk, Osiris-T is able to measure the morphology and the corneal refractive component by means of the sagittal curvature, tangential curvature, elevation and power maps. The availabilty of consolidated synthesis parameters makes the follow-up and diagnosis of keratoconus simple and intuitive. The integration of topographry and aberrometery enables the calculation of the internal component of the wavefront.

 

Key Features

  • Toric Lens Performance Assistant: Integrates corneal topography data from CSO topographers with ocular aberration analysis to distinguish whether residual astigmatism results from toric lens rotation or calculation error, enabling precise evaluation of toric IOL and contact lens performance for optimized astigmatic correction outcomes.
  • Comprehensive Pupillography: Performs fully integrated pupil diameter and center measurements under scotopic (0.04 lux), mesopic (4 lux), and photopic (50 lux) conditions plus dynamic mode, providing essential data for surgical planning, optical zone determination, and vision quality optimization across varying illumination environments.
  • Advanced Aberration Analysis Software: Offers extensive analysis capabilities through Phoenix software including refractive error maps, visual quality simulations (PSF, MTF, optotype convolution), and comprehensive aberrometric data presentation, helping clinicians understand, quantify, and effectively explain patients’ visual problems and expected outcomes.
  • Ocular Wavefront Measurement: Enables complete patient ocular wavefront analysis presented both as wavefront deviation maps and refractive difference from ideal optics, providing detailed assessment of total optical system performance beyond corneal measurements alone for comprehensive refractive evaluation.
  • Integrated Clinical Workflow: Seamlessly combines with corneal topography and other anterior segment diagnostics through Phoenix software platform, delivering unified analysis environment that streamlines data interpretation, enhances surgical decision-making, and supports patient education through intuitive visual presentations and simulation tools.

 

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Description

TORIC LENS ASSISTANT

For the evaluation of the performances of a toric system the combination of corneal topography imported from CSO topographers and ocular aberration makes it possible to distinguish whether any astigmatic residue is due to a rotation of the lens or to an incorrect calculation.

 

PUPILLOGRAPHY

Completely integrated with the topography of the ante- rior surface of the cornea, it performs the pupil measu- rement in scotopic (0.04 lux), mesopic (4 lux), photopic (50 lux) conditions and in dynamic mode. Knowing the center and the diameter of the pupil, is essential for many clinical procedures which seek to optimize vision quality.

 

ANALYSIS SOFTWARE FOR ABERRATIONS

The tool integrates with the Phoenix software, offering a wide range of analysis options, such as refractive error maps and visual simulations (PSF, MTF and convolution with optotype), which helps the clinician to understand and explain the patient’s visual problems

 

OCULAR WAVEFRONT

Keratoconous screening provides the clinician with important information about the patinets cornea. Understanding this can help prevent complications associated with ectasia before corneal surgery is undertaken.

 

CRYSTALLINE BIOMETRY

Phoenix software enables the analysis of the patient’s ocular wavefront, both as a deviation from the wavefront and as a refractive difference from the ideal.

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