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The Human Eye

Fifteen structures, from the first photon to the signal leaving for the brain. Pick a part — the model animates what it does.

0 / 15 explored

Try it yourself

Focus control

Drag to change what the eye is focusing on — the lens and pupil respond together, just like your own eye's near reflex.

Focusing far — lens flat, pupil relaxed

Step 0 / 15

← → step · space play/pause · esc reset · drag to orbit, scroll to zoom · tap a part on the model

For health education only. Not a medical diagnosis.