When you zoom into eyes, their vibrant color gradations and painterly contours appear like explosions of space nebulas. And many of you have done wonders in capturing the individually unique characteristics within all of our irises — the pigmented portions of our optic organs — also including the beauty held in the eyes of our fellow animals.
See, and share, more photos in the Exploring Eyes gallery and Irises group.
Photos from keithj5000, Brian Arancibia Guerra, Grzegorz Rogala, Mika Hiltunen, and kamonrat meunklad.