As a dark-skinned African American, why do blue rings around the Iris run in my family at birth, and what are its origins? - Quora
![Twitter 上的Quite Interesting:"The limbal ring is the dark circle around your iris. Research has shown that, when considering a short-term fling, heterosexual women are more attracted to men with a defined Twitter 上的Quite Interesting:"The limbal ring is the dark circle around your iris. Research has shown that, when considering a short-term fling, heterosexual women are more attracted to men with a defined](https://pbs.twimg.com/media/D0SQ4O2XcAEwvGL.jpg)
Twitter 上的Quite Interesting:"The limbal ring is the dark circle around your iris. Research has shown that, when considering a short-term fling, heterosexual women are more attracted to men with a defined
![What is the light brown ring around my iris? I've had it as long as I can remember, never really questioned it. Thanks! : r/optometry What is the light brown ring around my iris? I've had it as long as I can remember, never really questioned it. Thanks! : r/optometry](https://preview.redd.it/q3k78qss0zm51.jpg?auto=webp&s=d89f169c71689c3d6bd966b2a7ef7c6641e333aa)