Eli5. Where do hairs go that disappear behind your eyeball?

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Here one minute, and stuck in the anatomical abyss the next.

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6 Answers

Anonymous 0 Comments

They actually come out of your eye socket, not disappearing behind your eye forever.

Look at this image and you’ll see that under the eyelids there is the space called the fornix. In real life this is filled with a layer of your tears so that your eyelids slide over you eye smoothly. But you can see it only goes so far back

https://i1.wp.com/entokey.com/wp-content/uploads/2022/06/f01-06-9780323757546.jpg?zoom=3&w=960

Other than lubricating the area so your eyelids smoothly move over your eye, the other big role of your tears is to catch dust and grit (and eyelashes that have fallen out and got caught in the area) and flush these out of the eye socket so they don’t injury the eye.

So for those times that you don’t see where that hair that’s been stuck in your eye has gone, it’s actually come out onto your skin and away without you seeing it. You’ve not got a little nest of lost hairs coiling up in your skull. Don’t worry

Btw, if you’ve ever got grit or something stuck in your eye, a fast way to get it out is to grip your upper eyelashes and gently pull them forward so your upper eyelid pulls forward away from eye. Then, still holding the upper lashes and lid in that position, blink several times. Let go of lashes and blink a few more times. When you have the upper lid pulled forward, the lashes from your lower lid brush out anything caught in the tears. This was taught to me by the lead ophthalmologist at a hospital I worked at. Works a dream

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