Real Depth Simulator

Optics

Pupil diameter mm Interpupillary distance mm Defocus blur Circle-of-confusion approximation from dioptric error Diplopia Overlay of left/right eye views aligned at fixation Max rendered blur radius px

Display calibration

For meaningful on-screen visual angles, keep browser zoom at 100% and enter the physical width of the display.

Display width cm Viewing distance cm

Viewport FOV—

Pixels / degree—

Room

Width m Height m Depth m Eye height m Room brightness ×

Add object

Type Text Color

Depth layout

Side-on schematic; horizontal position represents distance from the viewer.

focused selected

Objects

Selected object

Name Text Sizing mode Object color

Width cm Height cm

Horizontal angle deg Vertical angle deg

Distance from viewer m Horizontal position deg Vertical position deg

Optical readout

Focus distance—

Accommodation—

Selected ΔD—

Blur diameter—

Relative disparity—

Approx separation—

Defocus uses ΔD = 1/z_object − 1/z_focus. Approximate blur diameter uses β ≈ pupil × |ΔD|. Relative binocular disparity uses IPD × ΔD for small angles.