amaurea t1_iucru29 wrote
Reply to comment by WesleyRiot in Is the eyesight of small animals like mice and snakes as poor as ours would be if our retinas were the size of theirs? by AbouBenAdhem
That layer is called the tapetum lucidum, and helps with sensitivity, but comes at the cost of resolution, making their vision blurrier than it otherwise would be.
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