CORNEAL TOPOGRAPHER
Model Name :Cartesia
Model Number: PT-1
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Topography Module
Provides precise analysis of the anterior corneal curvature and concentricity
Performs comprehensive imaging and delivers data by utilizing Placido based videokeratoscopy with Scheimpflug tomography

Topography maps and indices
Multiple maps for accurate diagnosi

Acquisition and image processing
Smooth focus assistant system with Auto shot option enables non-touch capture as soon as focus is achieved.
Advanced deep learning algorithms for image processing and it enhances accuracy of resultant topography maps; along with crucial pre-operative parameters while planning for refractive or cataract surgery.
Sagittal Anterior Map
Sagittal Anterior Map gives information about Radius and diopter information of each point with respect to optical axis of the eye
Tangential Anterior Map
Tangential Anterior Map gives information about Radius and diopter information of corneal surface measured instantaneously


Refractive Anterior Map
Refractive Anterior Map gives total corneal refractive power Provides single and dual multimap view with preferred scale customization
Anterior Elevation Map
Anterior Elevation Map gives detailed information about the shape and contour of the cornea. It determines areas of elevation or depression relative to a reference shape


Zernike Analysis
Zernike analysis for refractive information from spherical to higher order aberrations
Topography Report


Dry Eye analysis
All-in-one unit- a complete solution for all dry eye examination needs
Cartesia is equipped with extensive dry eye examination module which consists of key dry eye evaluation procedures like

Meibography

Tear meniscus height analysis

Tear film breakup time

Meibography

Infrared Visualization

IR rays facilitates the detection of Meibomian Gland Dysfunction (MGD) which occurs due to lipid layer deficiency of the tear film using infrared light

Automated analysis

Automated analysis of the image simplifies the diagnosis process for the user

Easy interpretation

The results would be a displayed in comprehensive, color-coded grading framework which is quick

Tear meniscus analysis

Severity grading with colour coding aids in clear Identification of the condition

Quantitative and qualitative measurement of tear meniscus

Tear volume and tear film status can be measured using Tear meniscus height (TMH)

Accurate auto-segmentation of Tear meniscus

Precise meniscus height displayed in millimeters

Non invasive tear film breakup time

Tear film stability assessed with non-invasive tear breakup time analysis

Quantitative and qualitative measurement of tNon-invasive nature of testing eliminates the need for fluoresce-in staining thereby the tear film remains unaltered prior to measurementear meniscus

Testing experience with zero irritation or discomfort for patients

One click video capture makes the acquisition easier
Effortless Data Visualization

Offers graphical mapping with first breakup time and average tear breakup time

Intuitive time graph- Easy tracking of tear film stability over time



Non invasive tear film breakup time

TMH Comparative Report

Pupillography

Capable of dynamic pupil measurement and analysis under Photopic (40 Lux), Mesopic (4Lux) and Scotopic (0.04 Lux) conditions

Crucial pre-operative measurement in case of refractive surgery or multifocal IOL implantation
Angle kappa

Angle kappa can be measured in terms of Cartesian and polar forms, under different lighting conditions: Photophic, mesopic, scotopic and dynamic conditions


Keratoconous
Cartesia offers advanced keratometry measurement, providing precise data on corneal curvature. It captures detailed front surface readings, enhancing diagnostic accuracy for ectatic conditions like keratoconus. This feature supports effective surgical treatment planning for corneal procedures
Scheimpflug
A Scheimpflug camera uses the Scheimpflug principle to capture detailed images of the cornea and anterior chamber, enabling measurements like central corneal thickness and anterior chamber depth


Cataract & LASIK Workup

Preoperative Assessment

Corneal Shape Analysis with Axial, Tangential, Elevation, Refractive Maps

SIM-K and Multizone Curvature

Multi-Exposure Pupillometry with Angle Kappa

Zernike Polynomial for Higher Order Aberration

Keratoconus Assessment

Anterior Measures (ACD, CCT and WTW)
Technical Specification
Measurement Performance
Dioptric Measurement Rang
33D to 61D
Measurement Accurac
Type A ISO 19980 Standard
Auxiliary Function
Measurement Type
Placido and Scheimpflug (Working Distance)
Placido Rings
Number of Ringsm
22
Measurement Points
7200
Analysis Points
147822
Chin Rest Movement
70mm
Working Distance
Working Distance
Topographic Coverage
Topographic Coverage
Alignment
Manual with Auto Capture
Light Source
Placido Disk
RED
Scheimpflug
Scheimpflug
Pupillography
Pupillography
Topography Map
Sagittal anterior, Tangential anterior, Anterior elevation, Refractive anterior Power, Zernike Analysis
Diagnostics
Pupillography
Dynamic, Photopic, Mesopic, Scotopic
Dry Eye
Tear Meniscus Height (TMH) Tear Film Stability (NIBUT) Meibomian Gland Analysis
Keratoconous Detection
KISA Scoring Based
System Requirements
Operating System
Windows 11 Pro 64 bit
CPU
Intel i5
Memory
16GB
Interface
USB 3.0
Display Size & Resolution
27 Inches, 1920 x 1080
Main Unit
Dimension
27 Inches, 1920 x 1080
Weight
10Kg
Power Supply
AC 100 - 240 V 50/60 Hz 100VA
Accessories
Dust Cover, Model Eye

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