Adhesion or fusion of the eyelids to each other or to the eyeball.
From Greek blepharon (eyelid) + symphysis (growing together, fusion). This pathological term describes abnormal tissue fusion, emerging in medical literature to classify adhesive eyelid conditions.
Severe chemical burns or Stevens-Johnson syndrome can cause the upper and lower lids to literally fuse together—it's why emergency rooms treat eye chemicals so aggressively, because preventing this adhesion within the first hours is critical to saving vision.
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