A medical condition characterized by ulceration or erosion of the tear sac (lacrimal sac).
From Greek 'dakryon' (tear), 'helkos' (ulcer), and medical suffix '-osis' (condition). The term describes pathological damage to the tear drainage system.
This is an incredibly specialized medical term that doctors might use maybe a handful of times in their careers—it describes a specific complication of untreated tear duct problems.
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