bleph·a·rop·to·sis .blef-ə-rəp-'tō-səs n, pl -to·ses -.sēz a drooping or abnormal relaxation of the upper eyelid
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n.
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bleph·a·rop·to·sis (blef″ə-rop-toґsis) (blef″ə-ro-toґsis) [blepharo- + -ptosis] drooping of an upper eyelid; ptosis (q.v.).Medical dictionary. 2011.