mucus fishing

Definition & PathophysiologyMucus fishing syndrome (MFS) is a behavioral-ocular disorder characterized by repetitive, voluntary removal of filamentous mucus strands from the ocular surface—typically using fingers, cotton swabs, or other tools—despite lack of clinical indication. Though not an organic disease per se, MFS represents a maladaptive habit that perpetuates ocular surface inflammation and mucin hypersecretion via…