Compared with many animals, human eyes aren’t particularly adept at distinguishing colours or seeing in dim light. But human eyes can see fine details that most animals can’t, Duke University researchers say. Above is a household scene as viewed by various pets and pests. Human eyesight is roughly seven times sharper than that of a cat, 40 to 60 times sharper than that of a rat or a goldfish, and hundreds of times sharper than a fly’s or a mosquito’s.


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