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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Ubuntu-NixOS-Windows | Experimental | order of tested platforms |
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| Ubuntu - Windows - NixOS | Experimental | order of tested platforms |
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| Windows - Ubuntu - NixOS | Experimental | order of tested platforms |
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| Windiws - NixOS - Ubuntu | Experimental | order of tested platforms |
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| NixOS - Ubuntu - Windows | Experimental | order of tested platforms |
|
| NixOS - Windows - Ubuntu |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| administration of 15 neuro-ophtalmological tests per platform by video-oculography | Device | List of the 15 tests per platform:
|
| Measure | Description | Time Frame |
|---|---|---|
| No statistical difference between acuracy of horizontal pro-saccades when comparing the three platforms | unit: % | single visit at enrollment |
| No statistical difference between peak velocity of horizontal pro-saccades when comparing the three platforms | unit: degree/s | Single visit at enrollment |
| No statistical difference between acuracy of multidirectional pro-saccades when comparing the three platforms | Unit: % | Single visit at enrollment |
| No statistical difference between peak velocity of multidirectional pro-saccades when comparing the three platforms | unit: degree/s | Single visit at enrollment |
| No statistical difference between contrast sensitivity results when comparing the three platforms | unit: Pelli-Robson | Single visit at enrollment |
| No statistical difference between variable strobe test results when comparing the three platforms | unit: Pelli-Robson | Single visit at enrollment |
| No statistical difference between strobe contrast sensitivity results when comparing the three platforms | unit: Pelli-Robson | Single visit at enrollment |
| Measure | Description | Time Frame |
|---|---|---|
| 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 |
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Inclusion Criteria:
Exclusion Criteria:
Ophthalmic:
Neurological/Medical:
Other:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Bulbitech | Trondheim | Norway |
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Each subject will be tested on each of the three platform and serve as its own comparator.
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order of tested platforms |
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| No statistical difference between RAPD test result when comparing the three platforms |
no unit |
| Single visit at enrollment |
| No statistical difference between ptosis MRD1 and 2 when comparing the three platforms | unit mm | Single visit at enrollment |
| No statistical difference between duration of fixation when comparing the three platforms | Unit: ms | Single visit at enrollment |
| No statistical difference between the amplitude of intrusive saccades when comparing the three platforms | Unit: degree | Single visit at enrollment |
| No statistical difference between the peak velocity of intrusive saccades when comparing the three platforms | unit: degree/s | Single visit at enrollment |
| No statistical difference between the mean fixation time when comparing the three platforms | unit: ms | Single visit at enrollment |
| No statistical difference between mean pupil size when comparing the three platforms | unit: mm | Single visit at enrollment |
| No statistical difference between anti-saccade amplitudes when comparing the three platforms | unit: degree | Single visit at enrollment |
| No statistical difference between anti-saccades peak velocity when comparing the three platforms | unit: degree/s | Single visit at enrollment |
| No statistical difference between memory saccades accuracy when comparing the three platforms | unit: % | Single visit at enrollment |
| No statistical difference between number of errors in memory saccades task when comparing the three platforms | no unit | Single visit at enrollment |
| No statistical difference between memory saccades latencies when comparing Ubuntu and NixOS platforms | unit: ms | Single visit at enrollment |
| No statistical difference between anti saccades latencies when comparing Ubuntu and NixOS platforms | unit: ms | Single visit at enrollment |
| No statistical difference between saccadic reaction time in visual field test when comparing Ubuntu and NixOS platforms | unit: ms | Single visit at enrollment |
| No statistical difference between pupil area when comparing Ubuntu and NixOS platforms | unit: mm*s | Single visit at enrollment |
| No statistical difference between pupil diameters when comparing Ubuntu and NixOS platforms | unit: mm | Single visit at enrollment |
| No statistical difference between pupil contraction latencies when comparing Ubuntu and NixOS platforms | unit: ms | Single visit at enrollment |
| No statistical difference between peak velocity of pupil dilation when comparing Ubuntu and NixOS platforms | unit: mm/s | Single visit at enrollment |
| No statistical difference between multidirectional pro-saccade latencies when comparing Ubuntu and NixOS platforms | unit: ms | Single visit at enrollment |
| No statistical difference between horizontal pro-saccades latencies when comparing Ubuntu and NixOS platforms | unit: ms | Single visit at enrollment |
| No statistical difference between smooth pursuit gain when comparing Ubuntu and NixOS platforms | unit: % | Single visit at enrollment |
| No statistical difference between the calibration ratio when comparing the three platforms | no unit | Single visit at enrollment |
| No statistical difference between pursuit acuity results when comparing Windows versus NixOS platforms | unit: LogMAR | Single visit at enrollment |
| 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 | 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 | 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: % | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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: % | 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 | 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 | 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 | 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 | 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 | 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 | Single visit at enrollment |