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Precisio

Precisio® – High Resolution Tomographer The unique Tomographer for fully customized eye surgery and highly detailed diagnosis.

iVIS Technologies - Italy
Precisio
Precisio

Designed in-house and fully integrated into the iVis Suite™, Precisio®2 is iVis’ second generation high resolution Corneal Tomographer. It delivers true HD morphological and refractive maps and ID data for eye registration with a great repeatability of a few microns.

Precisio®2 incorporates a patented ultra-thin blue scanning laser slit, to allow a lacrimal film-independent detection of fully registered and validated epithelial maps up to 10.0 mm of corneal diameter.

Precisio®2 is linked to the web-based iVerify® application, to grant an automated and objective debriefing process, to allow clinical follow-up of corneal pathologies, to analyse morphological and refractive corneal surgical outcomes, and to allow surgical follow-up of the customized refractive and therapeutic treatments.

Precisio®2 incorporates a 6D eye tracking sub-system to allow an accurate registration of 60 HD cross-section images acquired in less than 1 sec, thus providing morphological and refractive data of each and every corneal sublayer, including the iris plane, with unmatched accuracy and repeatability.

Thanks to a proprietary Ray-Tracing technology, Precisio®2 provides, the true total corneal power which is fundamental for the process of determination of the corneal Ideal Shape to allow the customization of therapeutic and refractive surgery.

Precisio®2 incorporates a proprietary module to perform a dedicated diagnostic analysis to identify corneal pathologies allowing the differentiation between stable and ectatic diseases.

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Key Features

Key Features

Fully automated acquisition, touch screen driven
Voice guided patient auto-positioning 3D eye-tracker synchronized with data system detection
Blue scanning laser micro-slit
Epithelial spatially registered maps
Ergonomic design
Intuitive software interface
Big data web based statistical analysis for custom vision surgery

Technology

Technology

Synchronous stereo high-resolution CMOS tandem cameras granting:

  • Acquisition of over 120.000 data points per each detected surface
  • High speed fully automated acquisition of 60 images in one second
  • 3D synchronous tracking of all six spatial degrees of freedom
  • Certified repeatability of the acquired maps
  • Ocular features mapping for 3D intra-operative registration
  • Ultrathin blue laser slit for high resolution images
  • Optical stop-passing filters to remove parasite lights
  • Automated voice guided system of patient positioning and acquisition 3D motorized chinrest
  • Touch screen monitor and intuitive user interface
  • Realtime exams backup

Clinical Applications

Clinical Applications

  • Custom corneal refractive and therapeutic surgery
  • Morphological and refractive analysis of the anterior segment of the eye
  • Diagnostic analysis and clinical follow up of corneal pathologies
  • Surgical outcomes and surgical follow up for corneal refractive and therapeutic procedures

Technical Specifications

Technical Specifications

Exam procedure:
Full automated voice driven acquisition and validation
Acquired data: 60 frames in 1 second with over 120000 points detected per each detected surface
Accuracy: ≤ 3um in the central 6 mm (diameter)
Field of view: 10mm
Image acquisition system: 2 Gigabit CMOS digital cameras
Eye tracking: 3D synchronous tracking of all six spatial degree of freedom
Slit light source: Ultra-thin blue laser diode
Laser diode slit divergence: ≤ 10% within 3mm depth of field
Weight: 135 kg
Power requirements: 110 ÷ 240Vac, 50-60Hz, 0.9A
Dimensions: 590mm x 485mm x 1565mm (LxWxH)

Exam Outputs

Exam Outputs

  • Elevation maps: anterior, stromal and posterior
  • Thickness map: epithelium, stromal and total
  • Anterior chamber depth and iris maps
  • Ray tracing refractive map: anterior, stromal, posterior and total
  • Axial refractive map: anterior, stromal, posterior and total
  • Tangential refractive map: anterior, stromal, posterior and total
  • Mean power refractive maps: anterior, stromal, posterior and total
  • Refractive aconic fitting: anterior, stromal, posterior and total
  • Corneal morphological repeatability analysis: anterior, posterior and total
  • Corneal refractive repeatability analysis: anterior, posterior and total
  • 6 degrees of freedom eye-tracker display
  • Horizontal and vertical angle K
  • Fixation score
  • Measuring tool
  • Medical record
  • Custom maps display
  • Relevant data point display
  • Diagnostic analysis and clinical follow-up
  • Surgical outcomes and surgical follow-up