C19004
Imaging magnetization transfer ratio (MTR) measurement other text
The free-text field related to 'Imaging magnetization transfer ratio (MTR) measurement type' specifying other text. Magnetization transfer ratio measure
Supplemental
Imaging Analysis Results - Follow Up
False
Multiple Sclerosis
Multiple Sclerosis
C15322
Imaging clinical visit date and time
Date and time of clinical visit coinciding with scan
Supplemental
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15336
Optical coherence tomography (OCT) time-domain performed indicator
The indicator for whether the time-domain optical coherence tomography (OCT) (Stratus - Zeiss) was performed.
Exploratory
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15344
Optical coherence tomography (OCT) Cirrus-Zeiss performed indicator
The indicator for whether the spectral-domain optical coherence tomography (OCT) (Cirrus - Zeiss) was performed.
Exploratory
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15349
Optical coherence tomography (OCT) Spectralis-Heidelberg performed indicator
The indicator for spectral-domain optical coherence tomography (OCT) (Spectralis-Heidelberg) being performed
Exploratory
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15355
Optical coherence tomography (OCT) ganglion cell layer thickness performed indicator
The indicator for whether ganglion cell layer thickness (segmentation) optical coherence tomography (OCT) (Cirrus-Zeiss) was performed.
Exploratory
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15370
Imaging oculus dexter (OD) refraction value
The refraction of the right eye (OD)
Exploratory
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15644
Imaging QA/QC result
Results of image-based QA/QC
Supplemental
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15648
Imaging oculus sinister (OS) refraction value
The refraction of the left eye (OS)
Exploratory
Imaging Optical Coherence Tomography (OCT) Information
False
Multiple Sclerosis
Multiple Sclerosis
C15319
Optical coherence tomography contrast and visual acuity testing laterality type
The eye examined during high/low contrast and visual acuity testing by optical coherence tomography (OCT)
Exploratory
Imaging OCT Analysis - Contrast and Visual Acuity
False
Multiple Sclerosis
Multiple Sclerosis
C15326
Optical coherence tomography high contrast visual acuity count
The number of letters read correctly at 3.2 meters as a measurement of high contrast tomography (OCT) visual acuity
Exploratory
Imaging OCT Analysis - Contrast and Visual Acuity
False
Multiple Sclerosis
Multiple Sclerosis
C15334
Optical coherence tomography low contrast Sloan letter chart 2.5 binocular count
The number of letters read correctly at low contrast on a Sloan letter chart at 2.5% from 2 meters
Exploratory
Imaging OCT Analysis - Contrast and Visual Acuity
False
Multiple Sclerosis
Multiple Sclerosis
C15342
Optical coherence tomography low contrast Sloan letter chart 1.25 binocular count
The number of letters read correctly at low contrast on a Sloan letter chart at 1.25% at 2 meters
Exploratory
Imaging OCT Analysis - Contrast and Visual Acuity
False
Multiple Sclerosis
Multiple Sclerosis
C15348
Optical coherence tomography Pelli-Robson contrast sensitivity test log score value
The log score of the Pelli-Robson Contrast Sensitivity Test
Exploratory
Imaging OCT Analysis - Contrast and Visual Acuity
False
Multiple Sclerosis
Multiple Sclerosis
C15316
Optical coherence tomography (OCT) macular cube scan pattern type
The scan pattern used for the optical coherence tomography (OCT)
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15323
Optical coherence tomography (OCT) macular cube laterality type
The side of the eyes examined during macular cube analysis by optical coherence tomography (OCT)
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15331
Optical coherence tomography (OCT) macular cube signal strength value
Signal strength of optical coherence tomography (OCT) machine when scanning macula of eye (1-10)
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15339
Optical coherence tomography (OCT) macular cube total volume measurement
Total volume of the macular cube by optical coherence tomography (OCT).
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15343
Optical coherence tomography (OCT) total macular volume abnormal status
This variable indicates whether the macular volume is abnormally low based on optical coherence tomography (OCT).
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15352
Imaging average macular cube thickness measurement
Average macular thickness of the cube
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15359
Imaging average macular thickness abnormal status
The indicator is the average macular thickness is abnormally low.
Exploratory
Imaging OCT Analysis -Cirrus Macular Thickness
False
Multiple Sclerosis
Multiple Sclerosis
C15320
Optical coherence tomography (OCT) retinal thickness laterality type
The side of the eyes examined during retinal thickness analysis by optical coherence tomography (OCT)
Exploratory
Imaging OCT Analysis - Stratus Retinal Thickness Report
False
Multiple Sclerosis
Multiple Sclerosis
C15327
Optical coherence tomography (OCT) signal strength value
Signal strength of optical coherence tomography (OCT) machine when scanning macula of eye (1-10)
Exploratory
Imaging OCT Analysis - Stratus Retinal Thickness Report
False
Multiple Sclerosis
Multiple Sclerosis
C15335
Optical coherence tomography (OCT) total macula volume measurement
Total macula volume by optical coherence tomography (OCT).
Exploratory
Imaging OCT Analysis - Stratus Retinal Thickness Report
False
Multiple Sclerosis
Multiple Sclerosis
C15343
Optical coherence tomography (OCT) total macular volume abnormal status
This variable indicates whether the macular volume is abnormally low based on optical coherence tomography (OCT).
Exploratory
Imaging OCT Analysis - Stratus Retinal Thickness Report
False
Multiple Sclerosis
Multiple Sclerosis