TIL the stringy colored part of your eye is a pigmented layer called the stroma. The stroma is a fiberious connection from the pupillary sphincter(a muscle in your eye) to the pupil(the black hole in your eye). This allows you to adjust the pupil radially, kinda like the aperture of a camera.

TIL the stringy colored part of your eye is a pigmented layer called the stroma. The stroma is a fiberious connection from the pupillary sphincter(a muscle in your eye) to the pupil(the black hole in your eye). This allows you to adjust the pupil radially, kinda like the aperture of a camera.

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