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Static Automated Perimeter without PC
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
AP-50
Load image into Gallery viewer, Static Automated Perimeter without PC
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50
Load image into Gallery viewer, AP-50

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Automated Static Perimeter AP-50 frey - us ophthalmic
Patient focused – improved patient comfort
Visual field testing is a joint enterprise between clinician and patient. Visual field testing, otherwise known as perimetry, is a team effort. A patient who is well supported, and where every effort is made to maximize comfort, improves reliability in visual field testing. This increased reliability in visual field testing translates to greater accuracy and efficacy in diagnosis and management for the clinician. In turn, this improves patient outcomes and satisfaction throughout the patient journey, which may be decades long. Frey has delivered improved patient comfort with a chinrest design focused on comfort and stability. The patient’s head is supported throughout the examination. The AP-50 has improved ventilation for the patient, which reduces stress and improves patient comfort.


Automated Static Perimeter AP-50 frey - us ophthalmic
Accurate Results
The stimulator bowl provides a high density of concentric points. The enhanced stimulus control combines with the automated eye tracking, providing repeatable accurate examination of the patient’s visual field loss.


Automated Static Perimeter AP-50 frey - us ophthalmic

Automated Static Perimeter AP-50 frey - us ophthalmic

Rapid Testing Times

Efficient testing is reliably delivered with screening and fast threshold strategies and enhanced fixation methods. Patients with advanced visual field loss are supported with the use of pattern calibration.

Modes of Operation

Static Test Mode

The AP-50 emits motionless stimuli of variable luminance in order to determine a patient's threshold. There is a dim light in a specific location, and if the patient cannot see it, the intensity of the stimulus increases. The patient’s responses are then compared to those from an individual in a control group who is of an equivalent age. The exam is defined by Test and Strategy, stimulus colors white on white and size Goldman III. They are available for the static tests, and the results are more reliable and of a higher quality.

Binocular Testing
AP-50 fulfils specific visual field testing requirements for drivers and occupational medicine. Measurement range covers up to 160 degrees temporally, and both eyes can be tested simultaneously.


Static Test Parameters

The backlight illumination color is white for all of the tests.
It is important to select the appropriate test strategy and we test almost twice as many points than our competitors for the same field of vision. In addition, the AP-50 provides smart threshold that further improves testing accuracy.



Automated Static Perimeter AP-50 frey - us ophthalmic

Reviewing Results - Static Perimetry
The "Results" screen is divided into functional group boxes. The detailed descriptions of the group boxes are provided in the following section (Single, Combo , Cross Section View and Multi).

Automated Static Perimeter AP-50 frey - us ophthalmic

Automated Static Perimeter AP-50 frey - us ophthalmic
Cross Section View
This is a graphic map that divides the visual field into two parts that are represented by the colors red and blue. The study facilitates the selection of the angle of cut and it allows sensitivity to be measured in decibels in all directions of the visual field up to 60˚.
Fundus Overlay Function
This is a unique approach that allows selective retinal areas to be tested. The stimulus locations are set based on the patient’s fundus image, while the area and density of the test points are set manually.

Fundus Overlay View
The Automated Perimeter software allows users to overlay the exam results with the fundus images that are taken by the fundus camera. In order to get the overlay, after selecting the option “Fundus Overlay”, load the fundus image from the file or select the image from the ones that have already been saved.
The next step is the selection of two orientation points, which are used for the calculation of positions for the exam results. These points are a fovea and a blind spot. Press the button marked “Fovea,” and click the fovea position on the fundus image. Next, press the button marked “blind spot,” and click the blind spot position on the fundus image. The exam results are now displayed on the fundus image. The overlay can then be saved by using option "Save overlay".


Automated Static Perimeter AP-50 frey - us ophthalmic

Intuitive Software
The design of the AP-50 is both patient and clinician focused. Frey perimeter software is intuitive and user friendly, facilitating operation by a range of qualified staff in an efficient and effective manner. The interactive menus provide comprehensive information and efficient operation, reducing the time spent preparing, reviewing and printing patient exams. This platform supports clinical excellence with increased patient flow and efficacy.
  • Information about the version
  • Add New Patient
  • Edit Patient Data
  • Start New Exam
  • Result Review
  • Compare Function
  • Regression Analysis
  • Test Editor
  • Export/Import Function



Dual Main Screen Option
This resource allows two main screen options, it is simplified for use in the test room by the operator, it allows custom test selection, it is a standardized test procedure, and it has a complete interface for reception areas or doctors’ rooms.


Automated Static Perimeter AP-50 frey - us ophthalmic
Simple Menu Customization
The simple menu is fully customizable and all of the test parameters can be configured according to the client's request. The clinical workflow is also improved as it allows for the standardization of the test procedure. Furthermore, the software is very easy to use by the operator with reduced requirements.

Automated Static Perimeter AP-50 frey - us ophthalmic


Fixation Control
AP-50 Automated Perimeter has two mechanisms of fixation control.

Heijl-Krakau Method
This is a classic method that checks the blind spot position by assessing a total of 11 points randomly to ensure that the position of the eye is correct.

Method of Eye Position
The AP-50 facilitates fixation analysis with the use of a video camera that allows the pupil to be constantly monitored. The advantage of this method is that it rejects the patient's responses if there is no fixation.


Automated Static Perimeter AP-50 frey - us ophthalmic

Reliability
Reliable automated fixation control supports the patient and clinician with a built-in camera and automated eye tracking. This increases the repeatability and reliability of the data capture.

Automatic Pupil Detection
If the automatic method of fixation monitoring is used, the software will detect the current position of the eye. There is no need to keep the eye in the center of the image during the test, although it is still important that the patient looks into the fixation point all the times. The eye positioning control feature can be obtained from the screen, from the joystick, or through the software. In addition, the chinrest can be moved up – down.

Automated Static Perimeter AP-50 frey - us ophthalmic

Advanced Techniques
Previously, glaucoma was not diagnosed until the disease was in its advanced stage. Currently, we have new technologies that offer early detection of this condition.

Flicker (Critical Fusion Blink)
Glaucoma affects sensitivity to blinking lights.
FFC analyzes a patient's ability to see alterations of light to dark stimuli in different locations of the visual field. It also measures early neuronal suffering, thereby detecting glaucoma in its early stages.

Automated Static Perimeter AP-50 frey - us ophthalmic
Single Printout
AP-50 utilizes the simplest form of print, which contains one big graphical map representing the exam results. This will be printed in the same form that is chosen on the "Results" screen in "Single mode". When "Single mode" is not selected, the dB level map in grey scale will be printed by default. The advantage of the "Single printout" option is the very high readability of the print.

LED LIGHT SOURCE
  • All AP-50 light sources are LEDs
  • The system is maintenance free
  • It demonstrates high light source stability over the time
  • Real white on white perimeter



Automated Static Perimeter AP-50 frey - us ophthalmic

Automated Static Perimeter AP-50 frey - us ophthalmic
Reliability
Reliable automated fixation control supports the patient and clinician with a built-in camera and automated eye tracking. This increases the repeatability and reliability of the data capture.

Regression Analysis – Static Perimetry
The AP software is equipped with a set of options that allow a user to observe changes in a patient’s vision in many different ways. The first possibility is the simple comparison of results, which was described in the previous section. A second possibility that is much more advanced, is regression analysis which helps the user observe the regression or progression of a patient’s vision over time.
At least two patients’ exam results are needed to perform regression analysis. The exams should be conducted using the same strategy, but on different days.
The patient’s name, age, and the eye that was tested will be listed on the left top part of the screen. A combo box located on the middle top portion of the screen lets the user choose one of five parameters that will be used to calculate and display the regression graph. The following parameters can be selected:
  • Decibel level
  • Hill of Vision decibel level
  • Pattern defect (PD)
  • Average defect (AD)

The combo box is available when ‘Single mode’ is selected (on the right bottom of the screen). ‘Combo mode’ displays all five modes of the regression graphs together.

Automated Static Perimeter AP-50 frey - us ophthalmic


Test Editing
This function allows a user to define a custom test field. It is especially convenient for cases where only a part of the patient’s visual field should be examined, for example, the area where visual field loss was observed during earlier examinations. Using a custom test field in this manner can decrease both the patient’s discomfort and the examination time.
The affected eye (left or right) and the test field name that will be used as a pattern should be selected before test editing begins. The following test fields are available by default:
  • Central 22˚
  • Central 30˚
  • Full
  • Glaucoma
  • Macula

The combo box is available when "Single mode" is selected (on the right bottom of the screen). ‘Combo mode’ displays all five modes of the regression graphs together.



Automated Static Perimeter AP-50 frey - us ophthalmic
Hill of Vision Probability Map
A "Hill of vision probability map" shows the probability of Hill of Vision defects for every single point of a field. The probabilities are calculated from the differences between the theoretical and calculated hills of vision. The lower the probability, the bigger the defect in the field of vision.

Automated Static Perimeter AP-50 frey - us ophthalmic

Complete Analysis Modes
The AP-50 reliability and functionality is reinforced by complete analysis modes. These analysis modes are backed up by world population statistics.
The shaded maps have enhanced 3D function.


Age Normal Map
An Age Normal map displays the differences between the age normal values and the values obtained from the test. Therefore, the Age Normal map reflects the difference between the theoretical dB level map and the measured one.
Accordingly, an Age Normal map can be drawn in the following formats: numerical, grey scale, color scale, pattern scale, and 3D graph.



Automated Static Perimeter AP-50 frey - us ophthalmic
Mulitple Test Capabilities
Frey automated perimetry technology delivers complete flexibility for the clinician and patient. This provides the ability to offer patients testing for glaucoma, full field and flicker. This flexible platform offers visual field testing solutions spanning the range of clinical challenges from glaucoma to neurology and beyond.

Standard Tests - Static Perimetry
Standard tests are available in the AP software by default and each one is described in the tables and pictures below.

Automated Static Perimeter AP-50 frey - us ophthalmic
Networking
The AP-50 reliably delivers excellence in visual field measurement and analysis. This critical information can be seamlessly integrated with computer networks, and multiple perimeters can share one database, which facilitates larger clinical practices and patient flow. The automated backup function provides reassurance in relation to data security for both patients and clinicians throughout the patient journey. Frey prides itself on providing the highest standard of service access and technical support, anytime and anywhere.

  • AP-50 software is designed to work in a PC network environment
  • It can be installed on multiple PCs without additional an license fee
  • All PCs can share one database
  • It can use a centralized server for database storage
  • It has an automatic backup function for data safety

Automated Static Perimeter AP-50 frey - us ophthalmic
DICOM Export
Each examination result can be stored in DICOM format directly from the data review screen.
In addition, automatic DICOM storage into any network location can be configured in the Service settings.
Device Type Automated Perimeter
Measurement Bowl Type Hemispherical 300mm radius with difusive surface
Maximum Temporal Range (degrees) 80°
Stimulus White-on-white
Stimulus Duration 0.1 – 9.9s
Stimulus Size III
Stimulus Intensity 0.03asb to 10000asb
Visual Field Testing Distance 12in / 300mm
Background Illumination White 31.5asb (10cd/m2)
Automatic background illumination control
Fixation Control Heijl-Krakau blind spot monitor
Eye tracking (video camera)
Eye previev (video camera)
Test Models Supra threshold age corrected: screening
Threshold: Full Threshold, Fast Threshold, Smart Threshold Others: 2-Zone, 3-Zone, Quantify Defect, Constant, Binocular, Bi-Driving, Targeted Perimetry, Neurological
Test Field Library Macula, Central 10°, Central 20°, Central 30°
Nasal step (Glaucoma)
Correction Glass Diameter 1.5in / 38mm
Chinrest Electrically driven in vertical axis
Computer Touch screen support
Printer External or network printer
Additional Software Features Fovea threshold testing
Automatic pupil measurement
User management module
Touch screen operation
DICOM export
Network connectivity
Programming interface for EMR systems
Data import from HFA devices
Auto backup
Dimensions Height: 15in / 382mm
Width: 21.6in / 548mm
Depth: 17.7 in / 450mm
Weight 19.8lbs / 9kg
Power Requirements Voltage 110-230VAC
Power 65W

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