A 'banded eye' is like a cosmic eye patch, but instead of being a temporary fix, it's a permanent tattoo of a colorful, multicolored eyeliner that's so vivid, it could give you a 'pink eye' of existential dread. It's basically an eye that's been dyed in such a unique shade, it makes you wonder if the person who got it was trying to send an art critique or just had a wild night at the arcade.
Here's an unsettling example sentence: "The goth rock band, known for their 'banded eye' piercings, announced their latest single, 'Shades of Melancholy,' promising listeners a journey through the labyrinth of their multi-hued despair."