noun[mass noun] Medicine
Ingrowth or introversion of the eyelashes.
- About 7.6 million people have trachomatous trichiasis, the blinding stage of this infectious disease.
- Adverse outcomes of interventions were corneal exposure, ulceration, phthisis bulbi, and severe recurrent trichiasis.
- The surgery is a simple procedure for realigning the inturned eyelashes of trichiasis patients.
Mid 17th century: via late Latin from Greek trikhiasis, from trikhian 'be hairy'.
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Line breaks: trich|ia¦sis
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