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Appa Auto Perimeter

Model : AP 901-H
  • LCD  Video Monitor ( Eye Fixation)
  • F-TREND Software (DOS Based)
  • 3D Hill of Vision
  • Test Status Indicator
  • Membrane Keypad Interface
  • 7 in 1 Plot & Overview Printout
  • Flicker Perimetery Test

Technical Specifications

Physical Characteristics
Height 75cm
Width 75cm
Depth 45cm
Weight 22kg. Approx.
Hemisphere Radius 30cm
Electrical Characteristics:
Main volts 230V AC supply
Power Consumption 75W
Frequency 50Hz
Environmental Characteristics
Operating Range 50deg. to 104deg. F (10deg. to 40deg. C)
Operating Humidity 35 to 85% (non-conductivity )
Stimulus Characteristics
Target Size Goldmann STD III Size
Method of Presentation Rear Projection LED
Luminance Range 0.01 to 1000 Apostilbs (50 to 10dB)
Number of Stimuli 250
Luminance Accuracy +/- 0.5dB
Colour Pale Green
Duration 0.2 to 5.0 sec in 0.2 sec increment
Interval 0.3 to 4.9 sec in 0.2 sec increment
Spatial Angle +/- 70deg. Horizontal
+/- 65 deg vertical
Fixed at 31.5 Apostilbs
Luminance Accuracy +/- 0.5dB
Fixation Monitoring

Electro-optical monitoring of eye position
HK fixation control or Blindspot method
Mosaic Attention Monitor or Sensor Method

External Interfaces

Serial communication port for IBM PC to perimeter link.