With over 65,000 installed units worldwide, the hfa is the premier automated visual field analyzer. Humphrey visual field hfa 740i refurbished this humphrey field analyzer model 740i comes with wheelchair accessible table and printer. Description 52907 revision c3 software diskettes for systems without mo refer to the software timeline service bulletin for the latest part number information 52944 revision c3 software diskettes for systems with mo refer to the software timeline service bulletin for the latest. Jun 11, 2010 however, many physicians would like the process to be a little more objective. Carl zeiss meditec, dublin, ca, usa is a standard automated perimetry device currently in worldwide use, used to detect and monitor patients with suspected visual field vf damage. Our field analyzer is one of their latest models with all the newest software and databases.
Hfaii perimetervisual field analyzers from carl zeiss humphrey. Humphrey field analyzer hfa iii application software assists users to view, transfer and export patient visual field test results. The results of the analyser identify the type of vision defect. Free and opensource software for visual field examination. Assessment of visual function in ophthalmic disorders using. It is designed for use as a visual field screener and as a threshold perimeter for immediate reexamination of any abnormal findings. Purchase the preowned, used zeiss humphrey 740i visual field. Lean more about the humphrey field analyzer 3 hfa3 by zeiss. Humphrey field analyser hfa, is a tool for measuring the human visual field, it is used by optometrists, orthoptists and ophthalmologists, particularly for detecting monocular visual field the results of the analyser identify the type of vision defect.
On the humphrey field analyzer, the visual field index vfia value similar to the mdwas added to the printout several years ago. Hfa3 delivers the interactive analysis you need, when and where you need it. Perimetry can be so easy visual field software for eye. The frequency doubling technology fdt perimeter is a portable, relatively inexpensive instrument designed for fast and effective detection of visual field loss 1. As the premier automated visual field perimeter, the zeiss humphrey field analyzer is the current standard of care for diagnosing and managing glaucoma. This is a detailed step by step guide to import the humphrey hfa visual field data into the haag streit eyesuite software for visual field data viewing, manipulation, and analysis.
Hfaii perimeter visual field analyzers from carl zeiss humphrey. Humphrey field analyzer hfa iii application software oit. Visual field technology has lagged behind the rapid advancement in oct. The humphrey uses fixed points of light which are shown at different intensity levels. Only use of software supplied or approved by zeiss for the hfa3 is authorized. Carl zeiss humphrey 720i field analyzer hfa iii visual field. Humphrey field analyzer 3 perimetry glaucoma medical. As stated above, this test is an example of static perimetry.
Ideal for all common examinations of the central visual field up to 30. The 10mm wide c10 pneumatic solenoid valve was thoughtfully designed for use in confined spaces, tailored to your needs as a single valve or as multiple valves in a. The zeiss 750i, 745i, 740i, and the 720i perimeters include networking software which automates visual field analysis by connecting directly to your office information system. Therefore, it provides information regarding the location of any disease processes or lesions throughout the visual pathway. Importing humphrey visual field hfa data into eyesuite. Comparison of the monocular humphrey visual field and the. Swedish interactive threshold algorithm sita is an individualized, selfcorrecting, selfdirecting visual field test operating system designed to run on all humphrey hfa2 perimetry machines. Carl zeiss humphrey 740i field analyzer hfa iii visual field. Humphrey visual field analyzers can be identified by the model number. It is the fastest and most accurate field testing available.
Evaluating the accuracy of the visual field index for the. Our visual fields are also sold with the zeiss power table with integrated printer. Humphrey field analyser hfa, is a tool for measuring the human visual field, it is used by optometrists, orthoptists and ophthalmologists, particularly for detecting monocular visual field. Visual field analysis, along with stereo photos of the optic disk, comprise the gold standard for detecting progression in glaucoma. Used zeiss visual field analyzer, hfa 750 vision equipment. How to give a humphrey visual field to a patient for technicians. With statpac, you can analyze test results at the time of examination, store test results and analyze them at your convenience, or recall previously. Importing humphrey visual field hfa data into eyesuite from. To present a homebased visual field examination method using a pc monitor or virtual reality glasses and evaluate the reliability of the method by comparing the results with those of the humphrey perimeter, in order to assess the possibility of glaucoma screening through the internet. Visual field values were measured with two different devices.
The humphrey visual field hfa 750 is a very reliable, yet affordable visual field. Apst00 humphrey visual field analyzer china optical and. Reduce visual field testing time with sita faster central testing to view into the macula with sita faster 242c. Testing is performed with eleven test patterns with static threshold and screening strategies out to 90 degrees. Capitalizing on years of experience and market understanding, humphrey products announces release of the csv, cartridge style valve. The one most commonly used in the united states is the humphrey visual field, which consists of a center fixation light and blinking test lights in your side vision. Jun 27, 20 this is a detailed step by step guide to import the humphrey hfa visual field data into the haag streit eyesuite software for visual field data viewing, manipulation, and analysis. Zeiss humphrey iii series user manual pdf download. Zeiss humphrey field analyzer of today and tomorrow.
These unit is fully refurbished, worn parts are replaced, a fresh database is set up, software is upgraded and all units are fully calibrated. During the last year, another 4 emr software companys have chosen peridata as standard interface to all kinds of perimeters. Also, we compare our results with those of a humphrey perimeter, which is accepted as standard in automated perimetry. However, many physicians would like the process to be a little more objective. Visual field examination method using virtual reality. The gold standard in visual field testing, humphrey field analyzer 3, now combines. The humphrey fdt perimeter uses frequency doubling technology to provide a clinically tested, fast and economical means of discovering early visual field loss. Documenting progression on humphrey visual fields glaucoma. Homebased visual field test for glaucoma screening. The vfi is a staging index for the total amount of field loss. It assesses the ability to see a nonmobile stimulus which remains for a brief moment 200 ms in the visual field.
To evaluate the accuracy of virtual visual field vvf headsets equipped the standard visual field software in its ability to assess visual function in various retinal, glaucoma and neuroophthalmic disorders by comparing retinal fundus and optic nerve images, optical coherence tomography and neuroimages to the vvf produced. With statpac, you can analyze test results at the time of examination, store test results and analyze them at your convenience, or recall previously stored tests to analyze for comparative purposes. The humphrey visual field hfa 750 is loaded with features including 19 test patterns, and user designed custom testing capabilities with a testing range out to 90 degrees. This retrospective study found that the new software for the humphrey visual field analyzer accurately predicts progression in patients with mild to moderate glaucoma, but it is far more accurate when the predicted visual field index vfi is at least 90 percent. Zeiss humphrey hfa 740 visual field analyzer vision.
Visual field testing can be performed clinically by keeping the subjects gaze fixed while presenting. Visual field testing with the humphrey field analyzer. New humphrey visual field analyzer software appears accurate. 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 multicenter clinical trials worldwide. Includes an integrated hard drive, eliminating the need for an external computer. Zeiss is about to release an awesome new free humphrey field. Hardware and software options, setting up a perimetry system, and making efficient use of the system are all discussed. Although every one of these analyzers is capable of performing a humphrey visual field test, each model contains different testing patterns and operating software to make your job easier. The 750 performs most tests flawlessly and at at an acceptable speed. Humphrey ii 740 visual field carl zeiss meditec, jena, germany and heidelberg edge perimeter heidelberg engineering, heidelberg. The humphrey 735 perimeter, field analyzer ii utilizes a computerized silent projection system to examine the patients visual field. Models with similar numbers have many of the same features. A patients visual field can be assessed by briefly projecting a spot of light.
A patented aspherically shaped bowl provides a compact ergonomic design to increase patient comfort. The humphrey field analyzer 3 hfa3 by carl zeiss meditec. The new humphrey field analyzer 3 by carl zeiss meditec is. The hfa guided progression analysis gpa software accurately differentiates statistically significant progression of visual field loss from random variability. Tips and hints are provided to enable the user to minimize testing errors, maximize efficiency, avoid. They have a 25 year proven track record in visual field development and research. This update includes a new testing protocol, 242c, which includes ten more macular points within the 242 testing pattern. Comparison of visual field measurement with heidelberg. The zeiss humphrey 750 visual field perimeter analyzer has automatic pupil measurement which accurately measures the pupil size.
As the gold standard of perimetry, humphrey field analyzer 3 hfa3 is your trusted diagnostic partner. The analysis is based upon detailed empirical knowledge of the variability found at various stages of glaucomatous visual field loss through information acquired in. The zeiss humphrey collection of perimeters, or visual field analyzers include the zeiss 750i, zeiss 745i, zeiss 740i, zeiss720i, and the long standing zeiss 750, zeiss 745, zeiss 740, zeiss 735. Since the model numbers go in order of development, 600 models are older than devices in the 800 line, and so a 600 model may be a more inexpensive visual field analyzer. Two very popular devices based on the asps principles are the humphrey field analyzer and medmont m700 automated static perimeter. Our units are sold fully refurbished, inspected and upgraded. The humphrey field analyzer ii is a wheelchair accessible, diagnostic tool used to examine a patients visual field. Zeiss humphrey hfa iii series field service manual pdf. Visual field examination results using virtual reality glasses have a high correlation with the humphrey perimeter allowing the method to be suitable for probable clinical use. Guided progression analysis gpa, an hfa software module, can add.
Carl zeiss humphrey 720i field analyzer hfa iii visual. The humphrey 740 perimeter, visual field in addition to the model 720 features, the humphrey 740 perimeter includes 19 test patterns, user designed custom testing capability with a testing range out to 90 degrees. The zeiss humphrey field analyzer has been synonymous with standard of care when it. By this integration, even more ophthalmolgists have the possibility access the visual field data directly from the emr software and use the full range of. A visual field test is an eye examination that can detect dysfunction in central and peripheral vision which may be caused by various medical conditions such as glaucoma, stroke, pituitary disease, brain tumours or other neurological deficits. The purpose of this study was to compare the monocular humphrey visual field hvf with the binocular humphrey esterman visual field hevf for determining whether subjects suffering from glaucoma fulfilled the new medical requirements for possession of a swedish drivers license.
Perimetry,perimeter,visual field,ophthalmologist,glaucoma,progression,data. Zeiss has released many different models of humphrey visual field analyzers over the years. Can offer more insight into a patients visual field defects and glaucoma. Hvf sita fast 242 full threshold monocularly and hevf binocularly were performed consecutively on the. Zeiss humphrey hfa iii series field service manual pdf download. Apparently, zeiss medical technology is planning to release a new software upgrade for the humphrey field analyzer 3 hfa3 perimeter. Carl zeiss humphrey 740i field analyzer hfa iii visual. Central testing to view into the macula with sita faster 242c. A complete and comprehensive approach to performing automated perimetry with the humphrey field analyzer is presented. Apr 10, 2019 zeiss humphrey field analyzer tomorrow. Therefore, it provides information regarding the location of any disease processes or. Comparison of visual field measurement with heidelberg edge. The zeiss humphrey field analyzer hfa 750 represents the culmination of more than 25 years of research, development and clinical experience.
Visual field testing is most frequently used to detect signs of glaucoma damage to the optic nerve. The fdt is your ideal field testing apparatus because testing that is suprathreshold is conducted by it in only 40 minutes per eye. The humphrey field analyzer ii is the recognized standard of care for early diagnosis and management of ocular diseases resulting in visual field loss. This is a global measurement that emphasizes central visual field sensitivities and focal loss as a result of glaucoma. The humphrey field analyzer guided progression analysis gpa software differentiates statistically significant progression of visual field loss from random variability. One early vr study by athens stylianos tsapakis and coworkers found a high correlation between the reliability of vf testing using a vr testing system they developed and the humphrey test. To this end, carl zeiss meditec recently received 510k approval to market a software program called the visual field index on its humphrey visual field analyzer, which may allow clinicians to get a more objective impression of progression.
Humphrey products company manufacturer of pneumatic. During humphrey visual field hvf testing, the patient places his head in the chinrest and fixes his gaze toward a central fixation point in a large, white bowl. Developed by bengtsonn and heijl 1 for the humphrey visual field analyzer hvfa carl zeiss meditec, dublin, california, usa, the glaucoma progression analysis ii has, at its core, the visual field index vfi. To test the reliability of the method, proprietary software implementing a suprathreshold visual field test algorithm at three threshold levels, 1. Field analyzer 3 hfa3 combines upgrades in hardware and software to. This is a global measurement that emphasizes central visual field sensitivities and focal loss as. In addition, visual field tests are useful for detection of central or peripheral retinal diseases of the retina, eyelid conditions such as drooping, optic nerve damage and disease, and conditions affecting the visual pathways from the optic nerve to the area of the brain occipital cortex. Zeiss humphrey 740i hfaii visual field for sale purchase. Sphere radius, background light and vision target brightness, size, etc. Zeiss is going to be releasing an important update for their humphrey field analyzer.
The software automatically varies the intensity of the points of lights at each location to determine the threshold the intensity of light where the patient can see it 50% of the time. Humphrey visual field analyzers carl zeiss meditec pdf. Comparison of humphrey field analyzer and imo visual field. New perimetry algorithm three times faster than other systems. Visual field testing can be performed clinically by keeping the subjects gaze fixed while presenting objects at various places within their visual field. Oculus easyfield the oculus easyfield is the smallest fullfledged perimeter on the market. Our sources tell us that the update will be available in november 2018.
Software implementing a fullthreshold 42step staircase algorithm. To present a method of visual field examination using a video projector. Apr 05, 2019 one early vr study by athens stylianos tsapakis and coworkers found a high correlation between the reliability of vf testing using a vr testing system they developed and the humphrey test. Visual field examination method using virtual reality glasses. Zeiss is about to release an awesome new free humphrey. The humphrey zeiss hfa 740 visual field in addition to the model 720 features, the humphrey 740 perimeter includes 19 test patterns, user designed custom testing capability with a testing range out to 90 degrees.
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