Deer Vision is About 20/60 ... But to them, it’s not the vivid, almost-neon color we see. Instead, they see a dull, yellow-ish gray color that typically blends in reasonably well with mixed ...

In the areas of peripheral vision, everything is out ... taken with very high-speed film… Deer would not perceive the longer wavelengths of color, so the oranges and reds have turned to brown ...

YOU could have a high IQ if you can spot the four deer in this image in under 11 seconds. Players could boast about having 20/20 vision if they complete this tricky optical illusion in time.

The challenge is to test your sharp vision and try spotting all four deer in just 11 seconds. At first glance, the picture seems to be nothing but a pile of ordinary stones and rubbish ...