Watery eye mucus often comes from a virus and is linked to pink eye. Thick green or gray mucus can mean a bacterial infection needing antibiotics. Yellow mucus with a bump might be a stye, and a warm ...

You wake up in the morning, rub your eyes and notice that familiar gritty feeling - commonly known as ‘sleep’, ‘eye gunk’, ‘eye boogers’ or simply ‘crust’ - it's unpleasant yet it can tell you a lot ...