Eye See Cam Video Head Impulse Test (vHIT)

Model vHIT
Manufacturer Interacoustics
Country of Origin Denmark
Included Parts
  • Eye See Cam – vHIT camera and goggle
  • USB cable
  • Eye See Cam vHIT Software and manuals CD
  • OtoAccess Database software CD
  • Ferrite Beads
  • Tape measure
  • Patient’s vestibulo-ocular reflex (VOR) in response to head movement
  • Captures this abnormal eye movement
  • Displays the head and eye movements simultaneously in real-time
  • Analyzes the data and then provides a simple graphical presentation of the results
  • Used to measure and display graphical presentation of head versus eye movement for all six semicircular canals (RALP, LARP, Laterals)


Technical Specification
PC Interface USB 20.
USB supply 5VDC ±0.25VDC
Camera Monocular camera, interchangeable between left and right eye
Goggle Molded, flexible frame with snug fit, cleanable silicone contact areas. Fits pediatric and adult faces
Weight Goggle: 40g Camera:32g Combined weight: 72g
Sample rate 220 Hz
Head tracking sensor Inertial Measurement Unit (IMU) gyroscope with 6 degrees of freedom
Gain Instantaneous gain at 40, 60 and 80 ms – equivalent to scleral search coil method
Data Analysis Velocity Regression Plot, Gain Plot
PC Hardware Intel Core i3 processor 2.53 GHz or better
Minimum 8 GB RAM
One USB 2.0 port available
PC Software Windows®10 (32-bit or 64-bit)
Windows®8 (32-bit or 64-bit) Professional
Windows®7 (32-bit or 64-bit) Professional
Operating Environment Temperature -15 – 35⁰ C
Relative Humidity – 30 – 90%
Pressure – 98 kPa – 104 kPa


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