turned-in eyelashes; ingrown eyelashes; trichiasis
Refers to eyelashes that grow inward toward the eye, causing irritation. The medical term is trichiasis, but in everyday language it describes the condition of having lashes that turn in.
My turned-in eyelashes are poking my eye and it hurts.
I received treatment for ingrown eyelashes at the eye clinic.
Uses 睫毛 for eyelashes; more formal or medical feel.
Uses the non-jōyō kanji 睫; very rare.