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Oculus Keratograph 5M

Keratograph-5M-oculus
$1.00

 

The Keratograph 5M is an advanced corneal topographer with a built-in real keratometer and a color camera optimized for external imaging. Unique features include examining the meibomian glands, non-invasive tear film break-up time and the tear meniscus height measurement and evaluating the lipid layer.

Features

Oculus Keratograph 5M

Gain Trust

With the Keratograph 5M, you can show your patients images they have never seen before. Gain patient trust by providing professional consultation during examinations and follow-ups.

 
 

Easy-to-Understand Presentation

Actively integrate the Keratograph into your consultation. Many easy to understand displays support you in communication and patient education. Use your Keratograph 5M as a marketing tool to make your services transparent!

 
   
Functions

Measurements with Placido Ring Illumination

Thousands of measuring points are used to measure the whole surface of the cornea. A white ring illumination is used for this purpose. An infrared ring illumination is also provided for analysis of the tear film to prevent glare-related reflex secretion.

 
 

Measurements with Light Emitting Diodes

The perfect illumination has been integrated for every function of the Keratograph 5M: White diodes for the tear film dynamics, blue diodes for fluo-images, infrared diodes for Meibography.

 
   
  

TF-Scan

The tear film is assessed using either white or infrared illumination. The new high-resolution color camera makes even the finest of structures visible.  In addition to NIKBUT (Non-Invasive Keratograph Break-Up Time) and measurement of the meniscus tear, the TF-Scan can also make an assessment of the lipid layer and the tear film dynamics. Tear film analysis with the OCULUS Keratograph 5 M is non-invasive and is conducted without any additional tools.

 

NIKBUT
Assessment of the Tear Film Break-Up Time

The tear film break-up time is measured non-invasively and fully automatically. The new infrared illumination is not visible to the human eye. This prevents glare during the examination. The TF-scan presents the results in a way that is easy for you and your customers to understand.

 
  

Meniscus Tear Height
Assessment of the Tear Film Quantity

The height of the torn meniscus can be precisely measured with an integrated ruler and various magnification options, and its development along the edge of the bottom lid can be assessed. The results are saved to the patient file.

 

Lipid Layer
Assessment of the Interference Phenomenon

The interference colors of the lipid layer and their structure are made visible and can be recorded. The thickness of the lipid layer is assessed based on the structure and color.

 
 

TF Dynamics
Assessment of the Particle Flow

The video recording, with up to 32 frames per second, enables the observation of the tear film particle flow, from which conclusions regarding the viscosity of the tear film can be drawn.

 
   

Meibo-Scan
Meibography of the Top and Bottom Eyelid

The multi-functionality of the new Keratograph 5M enables even difficult examinations, such as Meibography, to be integrated with ease and efficiency into routine ophthalmological and optometric check-ups. A dysfunction of the Meibom glands is the most common cause of Dry Eye. The associated morphological changes in the glandular tissue can be made visible with the Meibo-Scan.

 
 

Indispensable for:

  • Fitting multi-focal contact lenses
  • Exact determination of the treatment area for refractive surgery
  • Seamless integration into the existing Keratograph software
  • The infrared camera installed in the Keratograph delivers images of the patient’s pupil, which are used as the basis for the measurements
 
  

Different Ways of Determining Pupil Reaction:

  • Examination of the pupil reaction both with and without glare
  • Examination using two different glare stimulus powers
  • Clear presentation of the results in graphic form: pupil changes over a period of time; minimum, maximum and mean pupil diameter, incl. standard deviation
  • Comparison views possible
   
  

Optional Imaging Software*

The Imaging Software is used to record video and image files. In addition to viewing the videos and single images by themselves, you can also compare the recordings with the simulated fluorescein-images of the measured eye.

 

How Does That Work?

  • Simply integrate the Imaging Software into the Keratograph software
  • Blue light-emitting diodes in the illumination beam path stimulate the fluorescein
  • Yellow filters are integrated into the observation beam path

Result: Static fluorescein-images and videos can be recorded under slit lamp conditions!


Fluorescein- image - recording – with various pre-settings 
 

Indispensable for:

  • Demonstrating the fit of contact lenses
  • Assessment of the static fluo-image

  • Assessment of the fit of contact lenses at different pupil sizes

  • Comparison of fluo-image simulations with real-time fluo-images

  • Selection of the best possible contact lens

  • Consultation and customer retention

Fluorescein-image simulation comparison 
   
  

OxiMap®

The OxiMap® presents a color map of the oxygen transmissibility of soft contact lenses based on the lens power, which is easy to understand – even for your customers!

 

Oxygen Transmissibility of Soft Contact Lenses Made Visible

An intact tear film and a good supply of oxygen to the cornea are an absolute necessity for wearing contact lenses comfortably. The OxiMap® presents a color map of the oxygen transmissibility of soft contact lenses based on the lens power – which even your customers will understand!


Left: Measurement with Keratograph; Right: Conventional Measurement 
 

Easy-to-Understand Patient Education

The oxygen transmissibility (Dk/t) depends on the material the contact lens is made of and on its thickness. In the past, only the manufacturers’ specifications about the oxygen transmissibility in the center of a – 3.00 dpt contact lens were available. With the OxiMap®, you now get a graphic visualization of the Dk/t values over the whole area, based on the lens thickness.

 

The Dk/t values are color-coded, whereby black represents an oxygen supply lower than that present in a closed eye. To preserve the integrity of the cornea when wearing contact lenses, minimum Dk/t values are recommended based on the length of time the contact lenses are to be worn. The OxiMap® color-coding is based on these international recommendations.

 
 

Compare Different Soft Contact Lenses!

The OxiMap® is individually adapted based on the lens power and supports you in your consultation with the patient and helps you to choose the most suitable contact lens. New materials used for soft contact lenses provide excellent oxygen transmissibility.

 

OxiMap® was developed in close cooperation with JENVIS Research and the University of Applied Sciences in Jena.

 
   
  
Features
Accuracy: ± 0.1 D
Reproducibility ± 0.1 dpt
Number of rings: 22
Working distance: 80 mm
Number of evaluated data points 22,000
Camera: Digital CCD camera
Light source: Placido illumination: White
Placido illumination: Infrared 880 nm
Fluorescein illumination: Blue 465 nm
Meibography: Infrared 890 nm
Tear film dynamics: White
Pupillometer illumination: Infrared 880 nm
Dimensions (W x D x H): 275 x 320 - 400 mm x 485 - 512 mm
Weight 6.8 kg
Minimum PC requirements Processor: Intel Core i3 or better, 4GB RAM, Hard drive space: min. 500 GB, Graphic card: Intel HD Graphics 2000 or better, recommended screen resolution: 1920 x 1080 (Full-HD)

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