Data dictionary
Subject data
Subject ID
Anonymized subject identifier
Date of Birth
Anonymized date of birth
MM/DD/YYYY
Capture date
Anonymized date of capture - date is in relation to default DOB
MM/DD/YYYY
Age
Accurate to the nearest month
years
Race
Pacific Islander / Mixed / Other / American Indian or Alaska Native / Asian / Black or African American / Mixed / Native Hawaiian or Other Pacific Islander / White / Other / Unknown
Ethnicity
Hispanic / Not hispanic / Not disclosed
Clinical data
BCDVA R
Best Corrected Distance Visual Acuity for the right eye
Snellen ratio
BCDVA L
Best Corrected Distance Visual Acuity for the left eye
Snellen ratio
IOP R
Intraocular pressure for the right eye
mmHg
IOP L
Intraocular pressure for the left eye
mmHg
CCT R
Central corneal thickness for the right eye
µm
CCT L
Central corneal thickness for the left eye
µm
AL R
Axial length for the right eye
mm
AL L
Axial length for the left eye
mm
ICD-10
Ocular ICD-10 codes at subject-level
Visual field metrics
Exam eye
Right (R) or Left (L)
Target eye
R/L Random / Right / Left
Capture time
Time the data is captured
Pattern
10-2 / 24-2 / 30-2
Strategy
AIZE / AIZE-Rapid / Full Threshold
Fixed EYE
Both / Right / Left
GHT
Glaucoma hemifield test
GSS
Glaucoma staging system
Fovea
Sensitivity at fovea
dB
Fovea P[%]
P-value compared to a reference database at fovea
MD P[%]
P-value compared to a reference database for MD
PSD
Pattern standard deviation
dB
PSD P[%]
P-value compared to a reference database for PSD
Fixation Loss[%]
Percentage of fixation losses
False Positive[%]
Percentage of false positives
percentage
False Negative[%]
Percentage of false negatives
percentage
Thr
Threshold at each test point
dB
TD
Total deviation at each test point
dB
TD P
Total deviation significance level classification (vs. reference database)
PD
Pattern deviation at each test point
dB
PD P
Pattern deviation significance level classification (vs. reference database)
OCT analysis
Data no.
Anonymized image file name
Scan Size
Scan size area, horizontal width x vertical width
mm
Scan resolution
Scan resolution, formatted as [horizontal pixels] x [B-scan count]
pixels x B-scans
Fixation
Fixation position: Disc / Macula / Center / External / Wide
TopQ Image Quality
A measure which corresponds roughly to the retinal and inner choroidal image quality
unitless
OCT Focus Mode
Focus mode. "Vitreous", "Choroidal", "Cornea", or "Deep pos"
Model Name
Name of capture device
Disc Center Position X
X coordinate of the disc center position
proportion of image width
Disc Center Position Y
Y coordinate of the disc center position
proportion of image width
Fovea Position X
X coordinate of the fovea center position
proportion of image width
Fovea Position Y
Y coordinate of the fovea center position
percentage
Contents
Name of layer. RNFL / GCL+ / GCL++ / Retina / Choroid
TSNI Circle
Average thickness within a 3.4mm diameter circle around the disc. Analysis provided at a granularity of 4, 6, 12, and 36 sectors, and total, for RNFL, GCL+, GCL++, and retinal layers.
µm
Disc Topography
OCT-generated disc area, cup area, rim area, cup volume, rim volume, C/D area ratio, linear C/D ratio, vertical C/D ratio, vertical disc diameter, horizontal disc diameter
mm³, ratio, mm
ETDRS Grid
Average thickness across a 6.0mm diameter circle centered on the macula. The area is divided into the 9-zone ETDRS areas: center, inner sectors, and outer sectors
µm
6 Sector Grid
Average thickness across a 6.0mm diameter circle centered on the macula, minus the central 1mm circle. The area is divided into 6 equal sectors.
µm
Superpixel Grid 200
Average thickness across a 6.0 x 6.0mm area centered on the macula. The area is divided into a 30 x 30 grid, where each sector represents a 200 x 200 µm area
µm
Superpixel Grid 600
Average thickness across a 6.0 x 6.0mm area centered on the macula. The area is divided into a 10 x 10 grid, where each sector represents a 600 x 600 µm area
µm
Superpixel Wide 200
Average thickness across a 12.0 x 9.0 mm area (whole wide scan). The area is divided into a 60 x 45 grid, where each sector represents a 200 x 200 µm area
µm
Superpixel 1000
Average thickness across a 12.0 x 9.0 mm area (whole wide scan). The area is divided into a 12 x 9 grid, where each sector represents a 1.0 x 1.0 mm area
µm
Disc Superpixel Grid 200
Average thickness across a 5.2 x 5.2mm area centered on the disc, where each sector represents a 200 x 200 µm area
µm
Circular Profile
Thickness at points on circle of 3.4mm diameter centered using the Disc Center position, starting from temporal, to superior, to nasal, to inferior
µm
Multi-factorial OCT Score (Fukai et al. 2022)
SD-OCT-based glaucoma risk score (0–100), developed by Fukai et al. 2022.
unitless
Color fundus photography analysis
AutoMorph (Zhou et al. 2022)
Image Quality
Softmax and overall prediction of quality (good, usable, bad)
Crop Information
Crop information and scale resolution
Disc Features
Disc height, disc width, cup height, cup width, vertical CD ratio, horizontal CD ratio
µm, ratio
Vessel Features
Fractal dimension, vessel density, average width, tortuosity (distance, square curved, density). Given for for all vessels, arteries, and veins, and whole image, Zone B, Zone C
Retina Pigmentation Score (Rajesh et al. 2025)
CIELAB vectors
L, a, b vectors in CIELAB space
unitless
pigmentation
Retinal pigment score
unitless
