CSO Anterior Segment OCT- MS39






Is the most advanced device for the analysis of the anterior segment of the eye. MS-39 combines Placido disk corneal topography, with high resolution OCT-based anterior segment tomography. The clarity of the cross-sectional images, with a 16 mm diameter, along with the many details of the cornea structure and layers revealed by the MS-39, will be appreciated by  anterior segment specialists. MS-39 provides information on pachymetry, elevation, curvature and dioptric power of both corneal sufaces.

In addition to anterior segment clinical diagnostics, MS-39 can be used in corneal surgery for refractive surgery planning. An IOL calculation module is also available, based on Ray-Tracing techniques, Additional tools allow MS-39 to perform accurate pupil diameter measuremets and the advanced analysis of tear film.




The sharpness of the high-resolution section images on a diameter of 16 mm, together with the many details of the structure and the cornea layers brought to light by the instrument, are the most extraordinary features and appreciated by the specialists of the anterior segment (corneal and epithelial) . The device provides pachymetry, elevation, curvature and power information for both corneal surfaces.





MS-39 includes the advanced measurement of the epithelial and stromal layer. The epithelial masking effect is known, so knowledge of its morphology is very useful assess abnormalities of the corneal surface.  



Aberrometric analysis offers a complete overview of the corneal aberrations. It is possible to select the contribution of the anterior, posterior or total cornea for different pupil diameters. The OPD/WFE maps and the visual simulations (PSF, MTF, image convolution) can help the clinicain in understanding or explaining the patient’s visual problems.




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.  




In order to more accurately determine the ELED, and consequently to refine the intra-ocular lens calculation, MS-39 provides an acquisition mode to measure the crystalline lens thickness, its distance from the cornea and its equator.  






Data transfer USB 3.0
Power supply external power source 24 VDC In: 100-240Vac – 50/60Hz – 2A – Out: 24Vdc – 100W
Power cable IEC C14 plug
Dimensions (HxWxD 505 x 315 x 251mm
Weight 10.4Kg
Chin rest movement 70mm ± 1mm
Minimum height of the chin cup from table 23cm
Base movement (xyz) 105 x 110 x 30mm
Working distance: 74mm
Placido disk illumination Led @635nm
OCT source SLed @845nm
Pupillographic illumination Led @950nm
Placido disk rings 22
Measured points 31232 (anterior surface) 25600 (posterior surface)
Topographic covering 10mm
Dioptric measurement range from 1D to 100D
Measurement accuracy Class A according to UNI EN ISO 19980-2012
Image field 16mm x 8mm
Axial resolution >3.6µm (in tissue)
Transversal resolution 35µm (in air)
Image(s) resolution Keratoscopy (640×480) + 25 radial scans on a 16mm transversal field (1024 A-scan) – Section: on 16mm (1600 A-scan) on 8mm (800 A-scan)
PC: 4 GB RAM – Scheda Video 1 GB RAM (non condivisa) risoluzione 1024 x 768 pixels – USB 3.0 type A Sistema operati vo: Windows XP, Windows 7 e Windows 10 (32/64 bit).

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