Subject ID

Anonymized subject identifier

Gender

Male / female / n/a  

Date of Birth

Anonymized date of birth

MM/DD/YYYY

Eye

Right (R) or Left (L)  

Capture Date

Anonymized date of capture - date is in relation to default DOB

MM/DD/YYYY

Capture Time

Time the data is captured

HH:MM:SS

Age

Accurate to the nearest month

years

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 chorodial 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 user specified 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

proportion of image width

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 Wide 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 a circle 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 at Fukai et al, 2022

Unitless

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

CIELAB vectors

L, a, b vectors in CIELAB space

unitless

Pigmentation

Retinal pigmentation score

unitless