EyeTestGame

See how seeingactually works

Watch the world dissolve at your own prescription, borrow an eagle's eyes, catch your brain inventing colours - and find out what your vision is secretly good at. No sign up required.

Play

Short games, each built on a real visual skill

Discover

Ways of seeing that aren't yours

See What I See

Enter your prescription and watch a street, a menu or the night sky dissolve. Then share the link with someone who's never understood.

Simulate my eyes

See Like an Animal

A deer that can't find the tiger, a cat that owns the dark, an eagle with built-in binoculars. Side by side with your own vision.

Pick an animal

Vision Conditions

Myopia, astigmatism, presbyopia, cataract - one street, seven ways of seeing it, with a severity slider.

Explore conditions

Test yourself

What are your eyes actually good at?

Vision Profile

Five tiny challenges - colour, contrast, peripheral vision, memory, speed - then your profile and your visual superpower.

Find my superpower

Perception Lab

Your eyes don't see the world; your brain interprets it. Interactive illusions where your own visual system is the experiment.

Enter the lab

Understand

The numbers, translated

What Does My Prescription Mean? preview

What Does My Prescription Mean?

SPH, CYL, axis, BC, DIA - type yours in and get every number explained in plain English, with pictures.

Decode my prescription