Q:

How many eyes do flies have?

A:

Quick Answer

Flies have two compound eyes with thousands of individual visual receptors called ommatidia. Each ommatidia works as a separate functioning eye with its own nerve fiber that connects to the optic nerve.

Continue Reading
How many eyes do flies have?
Credit: Radu Privantu CC-BY-2.0

Full Answer

The vast number of ommatidia in a fly's eye allows it to receive visual information simultaneously from several different points. Although its eye is immobile, the spherical shape and level of protrusion from the head give flies an almost 360-degree field of vision. Flies do not have pupils, so they cannot control how much light passes through the lenses of their eyes. This lack of control prevents the eye from focusing on images.

Learn more about Flies

Related Questions

  • Q:

    Where do house flies nest?

    A: House flies breed and multiply anywhere they have access to waste products. General locations are garbage disposals and trash receptacles, but they also br... Full Answer >
    Filed Under:
  • Q:

    Do flies have brains?

    A: Like all insects, flies have brains. Their brains consist of the protocerebrum, deutocerebrum and tritocerebrum. The fly's protocerebrum controls its compo... Full Answer >
    Filed Under:
  • Q:

    Where do sand flies live?

    A: Sand flies are found in tropical, subtropical or temperate regions as well as cooler climate areas throughout the world. Sand flies live in both freshwater... Full Answer >
    Filed Under:
  • Q:

    What are coffin flies?

    A: Coffin flies are several related species of flies that lay eggs on decaying flesh or fecal matter, and the colloquial name comes from the fact that these i... Full Answer >
    Filed Under:

Explore