Is the eye condition of having two pupils in one eye real?
By Marlo Lee
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YES
The extremely rare condition of someone with two pupils in their eye is polycoria.
However, polycoria does not present like the doctored picture in a recent Facebook post, which shows an entirely separate iris and pupil separated by the white of the eye. Instead, in true cases of polycoria, the second pupil is located in the same iris and is typically smaller than the main pupil.
The website from the American Academy of Ophthalmology says:
"Each pupil has its own sphincter muscle and they individually constrict and dilate. This can cause poor, dim or double vision."
This fact brief is responsive to conversations such as this one.
Sources
American Academy of Ophthalmology 20 Rare Eye Conditions That Ophthalmologists Treat
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