Is the human eye fully grown at birth?
According to several sites, a typical newborn's eye is around 18 millimeters in diameter. When you are an infant, the size increases to 19.5 millimeters. A fully grown adult's eye measures 24-25 millimeters. In Fact at this is point it is worth pointing out that a fully developed eyeball is about two-thirds the size of a ping-pong ball.
This means a human eye grows only about 28% over the course of its life. Fish supposedly have the ability to increase their eye size "steadily over the course of their entire lives," a talent lost on us "superior" Homo sapiens.
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