I used to think that if you flipped your eyelids inside out they would get stuck. I also used to think that rolling your eyes would cause them to get stuck in the back of your head.
A childhood belief about eyes

others believed things like this
- My brother used to believe that ceiling fans were helicopters flipped upsidedown and stuck in the ceiling.— Seven
- If you cross your eyes, they will get stuck like that.Anon
- if you cross your eyes and there's a gush of wind, you'll get stuck like that !!— Olivier
- I used to think that all people closed their eyes and stuck their tongue out when they died.Anon
- I used to believe that If I stuck my finger really far inside of my belly button I could touch my insides.Anon
- I used to believe that if I pushed down on my upper eyelids too much, my eyes would pop out.— I Still Don't Touch My Eyelids