“I’d never seen that much gunk come out of an eyelid before."

We're all guilty of ghosting our from time to time—forgetting our sunglasses on a super-sunny day, , or skipping our annual checkups for, oh, five years or so.

But if that last one sounds like you, get yourself to the optometrist, stat. Because while you’re rhyming off chart letters like a boss, your doc is making sure nothing is awry with your eyes. In the case of these patients, something was very, very wrong. And you don’t want to end up like them.