Humphrey Visual Field Analyzer

Humphrey HFA II-i

The Gold Standard in Perimetry

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Humphrey Field Analyzer – HFA II-i Series

  • Highlights

    Humphrey Field Analyzer – HFA II-i Series

    Advanced diagnosis and analysis with comprehensive connectivity options

    Validated by more than 25 years of research, design and clinical experience, the Humphrey® Field Analyzer (HFA™) is the accepted standard of care in glaucoma diagnosis and management. With over 65,000 installed units worldwide, the HFA is the premier automated visual field analyzer.

    • World standard of care
    • All major clinical trials have relied on the Humphrey*
    • Connectivity to office network and EMR**
    • GPA: the only FDA-cleared perimetry progression software; allows for full analysis on one page
    • GPA minimizes false positives by taking into account test-retest variability of the general population
    • VFI minimizes the effects of cataracts for the purpose of measuring progression
    • STATPAC™ analysis: sophisticated analysis made simple
    • SITA algorithm for fast and precise visual field threshold measurements
    • Gaze tracking: highly precise, real-time measurements for reliability
    • SITA-SWAP provides early detection***

    * Advanced Glaucoma Intervention Study (AGIS), Collaborative Initial Glaucoma Trial (EMGT), Normal Tension Glaucoma Study (NTGS), and Ocular Hypertension Treatment Study (OHTS).

    ** Using DICOM, or you can export jpg or pfd files via the USB port to a PC or EMR.

    *** Bengston B Heijl A. Normal intersubject threshold variability and normal limits of the SITA-SWP and full threshold SWAP perimetric programs. Invest Opthalmol Vis Sci. Nov 2003;44(11):5209-34.
    Bengston B A. New rapid threshold algorithm for short wavelength automated perimetry. Invest Opthalmol Vis. Sci. Mar 2003;44(3)1388-94.

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    Humphrey Field Analyzer II-i SITA Testing Strategies

    SITA Strategies are not only fast and accurate, but also friendly on the patient. Using timing techniques, SITA is extraordinarily responsive to patient reaction times. The patient runs the perimeter, rather than the reverse.

    SITA testing strategies available on the HFA II-i:

    • SITA Standard: A threshold testing method which collects the same amount of information in half the time as the original Humphrey® Full Threshold standard algorithm, without compromising test reproducibility.
    • SITA Fast: A threshold testing method that collects the same amount of information in half the time as FastPac, without compromising test reproducibility.
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    gold standard

    Humphrey fixation monitoring tool

    The HFA II-i ’s fixation monitoring automatically tracks and aligns head and eye position to promote exam reliability.

    Monitoring and maintaining patient’s eye position with the Humphrey:

    • Gaze tracking is a unique fixation tracking system that records if patient is fixating properly while each stimuli is presented.
    • Head tracking ensures proper alignment of the head and eye relative to the trial lens holder.
    • Video eye monitoring helps to position the test eye in the center of the trial lens holder and monitor the patient during testing.
    • Vertex monitoring uses the distance between two corneal reflexes to determine if the patient has moved too far back from the trial lens. The software will flag the movement and ask the operator to realign the patient or re-initialize the system.
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    Connecting the way you need

    Connectivity solutions to fit your practice. The HFA II-i and Humphrey Matrix 800 offer a choice of connectivity solutions – to office networks, to EMRs and to FORUM®, the comprehensive data management system from Carl Zeiss Meditec.

    Connectivity powered by FORUM
    For comprehensive connectivity, FORUM integrates all of your ZEISS instruments, as well as any DICOM device using the medical standard data protocol. FORUM can also connect to networked devices without DICOM – giving you virtually instantaneous access to the comprehensive patient information you need, whenever and wherever you need it.

    Centralized report management and retrieval
    FORUM allows you to access your glaucoma patient data instantly through centralized report management and retrieval.

    EMR integration with FORUM
    Connectivity to an EMR through FORUM delivers significant practice efficiency and offers closed-loop workflow helping to eliminate patient data errors.

    For legacy patient records, FORUM offers FORUM ASSIST Match, a quick and simple way to find and merge multiple patient records using a variety of match criteria.

    Basic Networking
    You can export files via the USB port, or over the network, and save to shared folders on a PC for transferring data to EMRs.

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    GPA – Advancing the Science of progression analysis

    The Humphrey Field Analyzer Guided Progression Analysis (GPA) software accurately differentiates statistically significant progression of visual field loss from random variability. The analysis is based upon detailed empirical knowledge of the variability found at various stages of glaucomatous visual field loss through information acquired in extensive multi-center clinical trials worldwide.

    1. Baseline Examinations
      Establish initial visual field status
    2. VFI Value
      A summary measurement of the patient’s visual field status, expressed as a percent of a normal age-adjusted visual field
    3. VFI Rate of Progression Analysis
      Trend analysis of the patient’s overall visual field history1
    4. VFI Plot
      Regression analysis of VFI values and 3 to 5 year projection
    5. VFI Bar
      A graphical depiction of the patient’s remaining useful vision at the current VFI value along with a 3 to 5 year projection of the VFI regression line if the current trend continues
    6. Current Visual Field Summary
      Complete report of current visual field including VFI, MD, PSD, the Progression Analysis Plot and the GPA alert
    7. GPA Alert
      A message that indicates whether statistically significant deterioration was noted in consecutive tests.
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    HFA-Cirrus Combined Report

    World’s First OCT-Visual Field Integration

    Combined Structure & Function when and where you need it.

    The Humprey Visual Field II-i-Cirrus Combined Report from FORUM summarizes patient structure and function analyses in a single display. FORUM delivers this OD-OS integration to your lanes to help you assess patient status at-a-glance.

    • World’s first OCT-Visual Field Integration
    • At-a-glance structure function correlation and right eye/left eye comparison
    • Generated automatically from HFA and Cirrus™ HD-OCT data
    • Streamlines your clinical assessment
    • Available exclusively with the ZEISS FORUM Eye Care Data Management System
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  • Technical Data
    HFA Technical Specifications 720i 740i
    745i 750i
    Test Specifications

    Maximum temporal range (degrees)


    Stimulus duration

    200 ms

    Visual field testing distance

    30 cm

    Background illumination

    31.5 ASB
    Threshold test library

    24-2, 30-2, 10-2, Macula

    60-4, Nasal step

    Threshold test strategy

    SITA Standard, SITA Fast, Full Threshold, FastPac


    Screening test library

    C40,  C76, C80

    C64, C-Armaly

    Peripheral test patterns

    Screening test modes

    Age corrected

    Threshold related, Single intensity

    Specialty test library

    Social Security Disability, monocular, binocular

    Superior 36, 64

    Kinetic testing

    Option Option

    Custom testing

    Operator interface

    Touch-screen CRT with keyboard

    Fixation control

    Heijl Krakau blind spot monitor

    Video eye monitor

    Gaze tracking

    Head tracking

    Vertex monitoring

    Remote video eye monitor capability



    Red- or blue-on-white

    Blue-on-yellow (SITA SWAP)

    General Testing Features

    Stimulus sizes

    Goldmann III Goldmann I-V Goldmann I-V Goldmann I-V

    Foveal threshold testing

    Automatic pupil measurement

    Test storage


    Software features

    Visual Field Index™ (VFI)

    EasyConnect ™ RCT

    HFA-NET Pro™

    Glaucoma Hemifield Test (GHT)

    Guided Progression Analysis (GPA)

    STATPAC 2–single field analysis

    Serial field overview


    FORUM connectivity

    DICOM connectivity

    Data storage, retrieval and analysis

    Hard drive

    40 GB 40 GB 40 GB


    Printer Native generic PCL 3, PCL 5 and postscript support for local, shared and
    network printers


    24“ (60 cm)


    23“ (58 cm)


    20“ (51 cm)


    88 lbs (40 kg)
    Electrical requirements 100-120 V, 50/60 Hz
    Standards UL, CSA, and CE standards
  • 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
  • Videos/Webinars
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    Effective Perimetry Series - Session 1

    A General Introduction to the Art and Practice of Perimetry

    Harry A. Quigley, MD
    A. Edward Maumenee Professor of Ophthalmology
    Director, Glaucoma Center of Excellence
    Wilmer Eye Institute, Johns Hopkins University

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    Effective Perimetry Series - Session 2

    STATPAC and the Analysis of Single Fields

    Harry A. Quigley, MD
    A. Edward Maumenee Professor of Ophthalmology
    Director, Glaucoma Center of Excellence
    Wilmer Eye Institute, Johns Hopkins University

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    Effective Perimetry Series - Session 3

    Glaucomatous Visual Fields

    Nathan M. Radcliffe, MD
    NYU Langone Ophthalmology Associates
    New York Eye Surgery Center

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    Effective Perimetry Series - Session 4

    Integrating Structural and Functional Measurements

    Steven D. Vold, MD
    Vold Vision, LLC

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    Effective Perimetry Series - Session 5

    Choosing a Visual Field Test

    Murray Fingeret, OD, FAAO
    Clinical Professor, SUNY College of Optometry
    Chief, Optometry Section,
    Dept of Veterans Affairs, NYHHCS

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    Effective Perimetry Series - Session 6

    Artifactual Test Results in Visual Field Testing

    Chris A. Johnson, MSc, PhD, Dsc
    Professor of Ophthalmology & Visual Sciences
    University of Iowa, Carver College of Medicine

  • Downloads

    HFA II-i Network Connectivity Goals and Requirements

    Application Note

    page(s): 2
    file size: 591 kB

    HFA-Cirrus Combined Report

    Combined Structure & Function when and where you need it.

    page(s): 2
    file size: 1,635 kB

Frequently asked questions (FAQ)


  • How do I change the projection lamp on an HFA II-i ?

    This lamp is responsible for projecting the standard light stimulus. With the aid of color filters, it is also used to create red and blue stimuli for color testing. If needed, you may order a new lamp by contacting ZEISS and asking for a Projection Lamp (PN 2660021106082). To install the projection lamp, watch the video or download and follow the steps below.


    Download file (PDF, 763KB)   |   Watch video (MP4, 20MB)

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