15 Feb
Shayne
32382
You probably think that because a fly "sees" your hand coming to swat it that a flies eyesight is really good. In fact the opposite is the truth. Compare to what would be prefect vision in a human (20/20 vision) a fly has only 20/1200 vision. It does have the benefit though of having around 4,000 lenses or ommatidia per eye. Each ommatidium or ..