Visual Field Simulator

Upload a file to load your own data, or explore the built-in example.

File format — XLSX or delimited (CSV / TSV), with or without a header row:
subject · laterality (OD/OS) · vf_0 … vf_60
Two rows per subject (one OD, one OS). A subject with only one eye runs monocularly.

Data source

Upload VF file (XLSX / CSV / TSV)

Status

Subject

Select subject

Scene — upload a photo or keep the default

Blur loss regions (in addition to desaturation)

Show VF test-point dots on scene

Field smoothness (Gaussian σ px)

10 60

Original ↔ Simulated VF loss

VF sensitivity grid

Colour scale — 🟩 ≥25 dB · 🟢 20–24 · 🩵 15–19 · 🟡 10–14 · 🟠 <10 dB · 🔴 scotoma · ⚫ blind spot
*Binocular model: left visual field driven by OD, right by OS, soft crossfade at fixation. *