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  • Product Information

    Planing customized treatments

    CRS Master

    The CRS-Master® from ZEISS is a flexible and efficient remote treatment planning station for conventional and customized laser vision corrections, including LASIK, Femto-LASIK, PRK and LASEK. It also enables binocular treatment planning for presbyopic patients using PRESBYOND® Laser Blended Vision from ZEISS. This intuitive planning software in combination with the corneal topography system ATLAS® 9000 from ZEISS enables you to merge relevant patient and diagnostic data in just one workstation, creating a complete overview for a treatment planning considering all relevant information.

    With the ZEISS CRS-Master, treatment planning is greatly simplified. The versatile planning station conveniently combines all relevant measurement and treatment data, quickly generating specific screens and overview displays. Its intuitive menu guidance supports smooth workflow. The system parameters can be adjusted as needed. With the Treatment Assistant functionality, for example, you can continually monitor selected settings such as the residual stromal thickness in the background – and be on the safe side. Another function automatically inspects the consistency of the flap thickness and diameter. A key advantage: treatment planning with the CRS-Master can be flexibly performed at your MEL® 90 from ZEISS, allowing you to further streamline your OR-workflow and significantly increase patient throughput.

  • Technical Data
    Dimensions (W x D x H) Max. 1.06 m x 0.42 m x 1.51 m
    Weight Max. 110 kg
    Input voltage

      with table

      without table


    120, 230, V AC ± 10%

    100, 120, 230 V AC; adjustable, single phase

    Input current max. 6.3 A
    Rated frequency 50 / 60 Hz
    Ambient conditions Temperature +15 … +30 °C
    Relative humidity 30 … 75 %
    Non condensing
    Air pressure 700 … 1060 hPa
    Data backup CD/DVD
    Data transfer
    USB flash memory drive (USB memory stick)
    Data printout Via network connection with Ethernet cable
    and optional network isolator
    Approval CE mark as per Medical Device Directive 93/42/EEC
  • Applications

    Topography-guided treatment

    Topography-guided treatment

    CRS-Master® integrates cornea topography data from the ATLAS® 9000 and allows the combination of conventional refractive surgery with topography-guided surgery.
    Even the slightest deviations in the corneal surface can be precisely recorded and targeted for correction. This is a real opportunity for treating patients with visual complaints based on corneal irregularities. The fully automatic Treatment Assistant functionality as well as specific fine settings offer maximum adjustability. In difficult cases, even when there is very little residual tissue left, it is possible to perform a corrective ablation that may achieve sustained improvement of the patient’s vision. The ZEISS CRS-Master is designed to selectively control the centering of sphere and cylinder components within the overall treatment zone. The difference between the pupil center and the visual axis is already considered during planning stage for the subsequent eye tracker positioning, and can be a significant improvement for the customized treatment of your patients.

    PRESBYOND Laser Blended Vision

    doctor women talk

    The CRS-Master PRESBYOND® Laser Blended Vision option also offers a new approach to age-optimized laser vision correction and therefore meets the needs of the growing group of patients entering the presbyopic age. Based on the principle of micro-monovision, PRESBYOND uses the preoperative wavefront and functional age of the patient's eye to optimize the depth of field for each eye individually. A unique customized area of overlap is thereby created known as the Blend Zone.
    It enables patients to experience very good visual acuity and contrast sensitivity at all distances – near, intermediate and far – virtually immediately. In fact, most patients can read without glasses the very same day. Being a highly customized treatment, PRESBYOND is tolerated by far more patients than conventional monovision methods, as studies have shown.  

  • Benefits

    Customized treatments meet optimum workflow

    • Provides wide spectrum of customized treatment options in combination with MEL® 90 excimer laser (and VisuMax® femtosecond system) – to offer the optimum treatment for every patient
    • CRS-Master® in combination with ATLAS® 9000 corneal topography system – Integrated solution to combine conventional refractive surgery with topography-guided surgery
    • Integrates patient and diagnostic data and merges all data at the workstation – for quickly creating a complete overview
    • Covers all steps from initial patient examination to treatment planning, treatment review and throughout diagnostic follow-up
    • Safe and intuitive treatment planning
    • Ergonomic workstation design and user interface concept enables ease of use and efficient practice workflow
    • System-internal networking for documentation and data backup
  • Services


    Support whenever you need it

    Do you rely on high system availability? If your answer is yes, then why not consider our ZEISS OPTIME service agreements, which are designed to ensure the readiness of your medical equipment at all times.

    More about ZEISS OPTIME

    Financial Solutions from ZEISS

    The smart way to acquire ZEISS technology

    Want the latest technology from ZEISS despite a tight budget? ZEISS Financial Solutions might have the right financing options for you.

    More about ZEISS Financial Solutions

    Benefit from our customer care packages

    Register for a Service Contract
  • Media Library


    CRS-Master from ZEISS

    Planing customized treatments

    page(s): 8
    file size: 5,082 kB

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    PRESBYOND Laser Blended Vision Trailer

    Type of file: mp4
    Filesize: 23.1 MB


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