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Frog with eyes in its mouth
(lemmy.world)
Snopes says it’s “Mostly true” in that they don’t know the origins of the color photo but the black and white one is authentic: https://www.snopes.com/fact-check/frog-eyes-inside-mouth/
OP tried to clarify but seems didn't clarify enough: that's talking about normal frogs with normal eyes, they use the back side of the eyes to push down food, presumably it doesn't feel any worse for them than you poking the side of your eye through the eyelid.