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Sirius System- CSO

Sirius is a high precision instrument for the tomography of the anterior ocular segment and the 3D cornea analysis. By merging Scheimpflug technology, which allows the measurement of the internal ocular structures, with Placido topography, still unsurpassed for the measurement of elevation and curvatures, Sirius proves to be an essential tools for the diagnosis and the pre- and post-operative evaluation of cataract and refractive surgery.

Sirius System – CSO

Sirius is a high precision instrument for the tomography of the anterior ocular segment and the 3D cornea analysis. By merging Scheimpflug technology, which allows the measurement of the internal ocular structures, with Placido topography, still unsurpassed for the measurement of elevation and curvatures, Sirius proves to be an essential tools for the diagnosis and the pre- and post-operative evaluation of cataract and refractive surgery.
Sirius, the excellent combination between rotating Scheimpflug camera and Placido disk, is a high precision system for the three dimensional analysis of both the cornea and the anterior segment.

• Merging data from Placido’s reconstruction to the one by Scheimpflug images, taken at the same time by 2 different cameras, Sirius is able to obtain the accurate measurement of elevations, curvature, power and thickness for the whole cornea. Although Scheimpflug images three dimensional reconstruction is able to deliver accurate profile and thickness data, it’s insuffi cient to calculate curvature and power data with acceptable accuracy. On the other hand Placido’s technology can give just a partial information of corneal structures being not able to measure the posterior surface (and the corneal thickness) and measuring the anterior surface with a limited coverage. Sirius overcomes both limitations merging Scheimpflug’s with Placido’s data, acquired with the same reference axis and at the same time.

• Anterior and posterior corneal topography information are available for diagnosis, for refractive/ cataract pre-operative planning or for follow up purposes. Organized in one standard summary or three customizable reports it’s possible to select up to six maps.

• Synthetic parameters like Summary Indices, K-readings, Refractive analysis indices, Shape indices are available for a quick comparison between examinations and follow-up.

• Keratoconus summary focuses the attention on the risk of ectasia. Thanks to the combination of several morphological maps – thickness, elevation anterior and posterior, tangential curvature anterior and posterior – and through specifi c indices with normative values this summary helps in the diagnosis of keratoconus in early stages too.

• Corneal aberrometry analysis offers a complete overview of the corneal contribution to the vision. Anterior, posterior or total corneal aberration are selectable for several pupil diameters. The OPD/ WFE map and the simulated vision functions (Spot Diagram, PSF, MTF, Image convolution) help the clinician understanding and explaining the visual discomfort to the patient

• Pupillography fully integrated with anterior and posterior corneal topography the measurement of the pupil condition is available in scotopic (0.04 lux), mesopic (4 lux), photopic (50 lux) and dynamic light condition.

• An autofi t module is available for searching the best lens in a database containing most of international contact lens manufacturers’ geometries.

• Basic video stream operations on two views of the movie is available. Time gap is measured from two different frames of the movie, is saved and is available for further analysis (e.g. used as Tear Film break-up time).

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Brand

CSO

Made

Italy

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