Entropion
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Entropion is a condition where the outer parts of an organ turn inward, specifically referring to the inversion of an eyelid where the eyelid margin or part of it is turned inward with the skin surface facing inward, causing irritation of the conjunctiva and cornea by eyelashes. This occurs either due to scar contractions of the conjunctiva and cartilage or due to muscle damage, and is common in old age. Treatment is surgical.
Encyclopedia entry (1928–1936)
ENTROPION (incorrectly entropium) (from Greek entrepo - I turn inward), inversion, a term used to denote the displacement of the outer parts of an organ inward, and specifically in ophthalmology to denote the inversion of an eyelid, when the eyelid margin or part of it is turned inward with the skin surface facing inward, with accompanying phenomena of irritation of the conjunctiva of the eyeball and cornea by hairs and eyelashes. This occurs either due to scar contractions of the conjunctiva and cartilage or due to damage to the muscles. The latter has the character of either spasm or paralysis, which is why spastic and paralytic E. are distinguished. Entropion very often occurs in old age. Treatment - surgical.
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“Entropion.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/entropion/