The purpose of the study is to verify that BulbiCAM®, a video-oculography medical device, gives similar results regardless of the Operating System (OS) used. The study compares three platforms: Windows, Linux Ubuntu, and Linux NixOS.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
36
List of the 15 tests per platform: 1. Calibration (functional screening) 2. Fixation test 3. Smooth pursuit 4. Horizontal pro-saccade 5. Multidirectional pro-saccade 6. Pursuit acuity 7. Pursuit contrast sensitivity 8. Strobe contrast sensitivity 9. Variable strobe 10. Pupil dynamics 11. RAPD 12. Visual Field 16-points 13. Ptosis 14. Anti saccade 15. Memory saccade
Bulbitech
Trondheim, Norway
No statistical difference between acuracy of horizontal pro-saccades when comparing the three platforms
unit: %
Time frame: single visit at enrollment
No statistical difference between peak velocity of horizontal pro-saccades when comparing the three platforms
unit: degree/s
Time frame: Single visit at enrollment
No statistical difference between acuracy of multidirectional pro-saccades when comparing the three platforms
Unit: %
Time frame: Single visit at enrollment
No statistical difference between peak velocity of multidirectional pro-saccades when comparing the three platforms
unit: degree/s
Time frame: Single visit at enrollment
No statistical difference between contrast sensitivity results when comparing the three platforms
unit: Pelli-Robson
Time frame: Single visit at enrollment
No statistical difference between variable strobe test results when comparing the three platforms
unit: Pelli-Robson
Time frame: Single visit at enrollment
No statistical difference between strobe contrast sensitivity results when comparing the three platforms
unit: Pelli-Robson
Time frame: Single visit at enrollment
No statistical difference between RAPD test result when comparing the three platforms
no unit
Time frame: Single visit at enrollment
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
No statistical difference between ptosis MRD1 and 2 when comparing the three platforms
unit mm
Time frame: Single visit at enrollment
No statistical difference between duration of fixation when comparing the three platforms
Unit: ms
Time frame: Single visit at enrollment
No statistical difference between the amplitude of intrusive saccades when comparing the three platforms
Unit: degree
Time frame: Single visit at enrollment
No statistical difference between the peak velocity of intrusive saccades when comparing the three platforms
unit: degree/s
Time frame: Single visit at enrollment
No statistical difference between the mean fixation time when comparing the three platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between mean pupil size when comparing the three platforms
unit: mm
Time frame: Single visit at enrollment
No statistical difference between anti-saccade amplitudes when comparing the three platforms
unit: degree
Time frame: Single visit at enrollment
No statistical difference between anti-saccades peak velocity when comparing the three platforms
unit: degree/s
Time frame: Single visit at enrollment
No statistical difference between memory saccades accuracy when comparing the three platforms
unit: %
Time frame: Single visit at enrollment
No statistical difference between number of errors in memory saccades task when comparing the three platforms
no unit
Time frame: Single visit at enrollment
No statistical difference between memory saccades latencies when comparing Ubuntu and NixOS platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between anti saccades latencies when comparing Ubuntu and NixOS platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between saccadic reaction time in visual field test when comparing Ubuntu and NixOS platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between pupil area when comparing Ubuntu and NixOS platforms
unit: mm\*s
Time frame: Single visit at enrollment
No statistical difference between pupil diameters when comparing Ubuntu and NixOS platforms
unit: mm
Time frame: Single visit at enrollment
No statistical difference between pupil contraction latencies when comparing Ubuntu and NixOS platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between peak velocity of pupil dilation when comparing Ubuntu and NixOS platforms
unit: mm/s
Time frame: Single visit at enrollment
No statistical difference between multidirectional pro-saccade latencies when comparing Ubuntu and NixOS platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between horizontal pro-saccades latencies when comparing Ubuntu and NixOS platforms
unit: ms
Time frame: Single visit at enrollment
No statistical difference between smooth pursuit gain when comparing Ubuntu and NixOS platforms
unit: %
Time frame: Single visit at enrollment
No statistical difference between the calibration ratio when comparing the three platforms
no unit
Time frame: Single visit at enrollment
No statistical difference between pursuit acuity results when comparing Windows versus NixOS platforms
unit: LogMAR
Time frame: Single visit at enrollment
No statistical difference between pupil areas when comparing Windows versus Ubuntu using the corrective formulas for signal processing enhancement, modified stimulus and timing calibration
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: mm\*s
Time frame: Single visit at enrollment
No statistical difference between pupil diameters when comparing Windows versus Ubuntu using the corrective formulas for signal processing enhancement, modified stimulus and timing calibration
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: mm
Time frame: Single visit at enrollment
No statistical difference between latency of pupil contraction when comparing Windows versus Ubuntu using the corrective formulas for signal processing enhancement, modified stimulus and timing calibration
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: ms
Time frame: Single visit at enrollment
No statistical difference between smooth pursuit gain when comparing Windows versus Ubuntu using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: %
Time frame: Single visit at enrollment
No statistical difference between horizontal pro-saccade latency when comparing Windows versus Ubuntu using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between multidirectional pro-saccade latencies when comparing Windows versus Ubuntu using the corrective formulas for timing calibration.
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between saccadic reaction times in visual field test when comparing Windows versus Ubuntu using the corrective formulas for timing calibration.
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between anti-saccade latencies when comparing Windows versus Ubuntu using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: ms
Time frame: Single visit at enrollment
No statistical difference between memory saccades latencies when comparing Windows versus Ubuntu using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: ms
Time frame: Single visit at enrollment
No statistical difference between peak velocity of pupil dilation when comparing Windows versus Ubuntu using the corrective formulas for signal processing enhancement and modified stimulus
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows. Unit: mm/s
Time frame: Single visit at enrollment
No statistical difference between pupil area when comparing Windows versus NixOS using the corrective formulas for signal processing enhancement, modified stimulus and timing calibration
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: mm\*s
Time frame: Single visit at enrollment
No statistical difference between pupil diameters when comparing Windows versus NixOS using the corrective formulas for signal processing enhancement, modified stimulus and
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: mm
Time frame: Single visit at enrollment
No statistical difference between latencies of pupil contraction when comparing Windows versus NixOS using the corrective formulas for signal processing enhancement, modified stimulus and timing calibration
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between smooth pursuit gain when comparing Windows versus NixOS using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. . Unit: %
Time frame: Single visit at enrollment
No statistical difference between horizontal pro-saccades latencies when comparing Windows versus NixOS using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between multidirectional pro-saccades latencies when comparing Windows versus NixOS using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: ms
Time frame: Single visit at enrollment
No statistical difference between saccadic reaction time fo visual field test when comparing Windows versus NixOS using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. unit: ms
Time frame: Single visit at enrollment
No statistical difference between anti-saccades latencies when comparing Windows versus NixOS using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between memory saccades latencies when comparing Windows versus NixOS using the corrective formulas for timing calibration
A timing calibration was implemented for Ubuntu and NixOS to improve accuracy results by accounting for the device delay. Unit: ms
Time frame: Single visit at enrollment
No statistical difference between peak velocity of the pupil when comparing Windows versus NixOS using the corrective formulas for signal processing enhancement and modified stimulus
Ubuntu and NixOS platforms contain an enhanced algorithm incorporating Fourier transform analysis of pupil data. The light used as a stimulus for the pupil dynamics test has been modified (in intensity, wavelength, and spatial characteristics) under Ubuntu/NixOS platform compared to the original stimulus under Windows Unit: mm/s
Time frame: Single visit at enrollment