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Housefly vision vs human vision: what is different?

Sees 5 kinds of colour; you see 3. Sees about 319 times less detail than you. Drag the line to see the difference, then try both on your own photo.

Red tulips under a blue sky, as you see them.

Red tulips under a blue sky as a housefly sees them (simulation): colours remapped to its 5 receptor classes, and fine detail softened.

Try both on your photo

A simulation made from published eye studies. Not what the animal feels.

Head to head

Sees 5 kinds of colour; you see 3.
Sees about 319 times less detail than you.
Fast things look about 1.4 times slower to a housefly.
Active by day, like you.

Play today's Guess the Eye: can you tell whose eyes are whose?

More face-offs: all face-offs. How does the housefly see? · How does the human see?

The science behind it: the numbers and studies for the housefly