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Perimeters
 
Optopol PTS 1000

 

Accuref 8001

 

Automated Perimeter PTS 1000 is a modern diagnostic instrument for precise and fast testing of field of vision. It offers static and kinetic stimuli with all Goldman stimuli sizes and all stimuli colors used in perimetry. Wide range of strategies and analysis tools combined with intuitive interface gives you powerful diagnostic tool which handling you will enjoy. Built in maps and possibility of creating own one gives possibility to examine only these areas, which are necessary. With PTS1000 examination doesn’t have to be tiring anymore.


FEATURES

  • •  STANDARD VISION TESTS - Depending on chosen test strategy, it enables to define the sensitivity threshold of retina in a given area, as well as to make a fast screening test. Accurate threshold, Intelligent fast threshold, Screening and quick 3-zone can be selected according to needs and patient’s condition.
  • •  TIME SAVING - Fast threshold strategy which utilizes special algorithm allows quicker examination without loss in accuracy. Additional ‘Reduced Field’ and ‘Neurological Field Reduction’ further shorten examination time.
  • •  FLICKERING TEST - The device also enables examination by means of flickering stimuli for CFF (Critical Fusion Frequency) measurement. CFF is used as an index of fatigue and it is clinically applied to neuro-ophthalmologic disorders derived from optic nerve disorder especially, diagnosis and evaluation of glaucoma
  • •  KINETIC TESTS - Thanks to kinetic strategy it is possible to examine hardly cooperating patients with big defects for which static examination is difficult to perform. 4 stimuli colours, 5 Goldmann sizes, adjustable stimuli velocity, silent operation, built in programs together with option of retesting arbitrary vectors defined by user makes PTS1000 a top product for kinetic perimetry.
  • •  SWAP - It enables to use "blue on yellow" (SWAP) examination method, red stimuli perimetry and green stimuli perimetry. This method utilizes fact of Earlier loss of sensitivity to colour based stimuli than to white-on-white stimuli based testing in patients with ophthalmic disease.
  • •  BINOCULAR CAPABILITIES - Implemented BSV strategy allows examination of diplopy areas. Testing of drivers is also possible thanks to included extendend field, that enables testing field up to 80 degrees temporally and Binocular Drivers Test.
  • •  AUTODIAGNOSTIC - Built-in autodiagnostic system will automatically detect any damages to device's hardware and report it to the user.

RESULTS PRESENTATION

Test result is presented as four easy-to-interpret graphic charts, two of them are related to age norm and standard deviation. Results can be analyzed in form of numerical maps of sensitivity in dB or in intuitive dot scale. Also color presentation is possible for faster identification of regions out of norm.

ANALYSIS TOOLS

Test result printout contains also additional information useful for interpretation, such as mean defect, pattern defect, Bebie curve, defects progress analysis, and hill of vision slope.

RELIABILITY

Examination reliability can be estimated on the basis of false negative and false positive tests. Built-in digital camera allows eye-detection during examination and during setting patient’s position, thanks to pupil tracking system it allows a continuous automatic control of fixation. When patient losses fixation blind spot is examined and special attraction mechanism turned on.

Well known Heijl-Krakau method allows tracking of a blind spot and monitoring of examination reliability.


Examination bowl    300 mm radius, closed type, ventilated
Tested field range    100 deg (160 with fixation shift for drivers test)
Stimulus size    Goldmann Sizes I-V
Stimulus colours    white, red, green, blue
Stimulus speed in kinetic perimetry

   2-10deg/s

Maximum Stimulus intensity
   10000 asb
Fixation method     control of blind spot position or digital detection of pupil position 
Patient response time     adaptive to patient speed or set manually from 0,1 to 7,5s 
Background illumination    depends on stimuli type-31,5 asb for white and red stimuli, 10 asb for green, 314    asb yellow background for blue stimuli, set automatically 
Fields
  •    24, 30
  •    Full (50° in every directions)
  •    Central (30° in horizontal axis and 22° in vertical axis)
  •    Glaucoma (30° with extend up to 50° in nasal direction)
  •    Peripheral (from 30° to 50°)
  •    Macula (up to 10°)
  •    Extended (special field for drivers examination – 50° in nasal direction; 80° in temporal direction)
  •    Fast (up to 30° with scarce points)
  •    Binocular Drivers Test (up to 80° in horizontal axis, up to 50° in vertical axis)
  •    User (up to 50° user defined)
  •    Kinetic (50° in every directions)
Strategies
  •    Threshold
  •    Fast Threshold
  •    Advanced
  •    Screening
  •    3-zone 
  •    BSV (Binocular Single Vision)
  •    Flicker (Critical Fusion Frequency)
  •    Blue On Yellow (SWAP)
  •    BDT (Binocular Drivers Test )
    •    Reduced field option
    •    Neurological defects option
  •    Kinetic
Result maps
  •    absolute level
  •    hill of vision deviation
  •    age norm deviation
  •    pattern deviation
  •    total deviation
  •    pattern deviation probability
  •    total deviation probability
  •    defects progress analysis
  •    results comparison
  •    Bebie curve
  •    3D visualization of patients HOV
Interface
   USB 
Dimensions    693 x 585 x 444  HxWxD  
Operating Voltage    100-250V 50-60Hz 
Additional fetures
  •    Eye monitoring by means of built-in video camera
  •    Auto-detection of eye position
  •    Automatic pupil diameter measurement
  •    Automatically controlled chin-rest enables to set proper patient’s position precisely    and easily
  •    Freely customized advanced Printout Manager with 15 predefined templates and    user defined template
  •    Printer-recommended ink jet or laser
  •    Self-diagnostic function checking instrument's efficiency
  •    Ergonomic design ensures comfortable patient position during examination
  •    Special ventilation system is used to keep fresh air throughout examination inside    stimulation bowl