<medicine> The appearance of muscae volitantes. See Muscae volitantes, under Musca. ... Origin: Gr. Opsis = vision ... (09 Mar 1998) ... Found on http://www.encyclo.co.uk/local/20973
My·op'sis noun [ New Latin , from Greek ... fly + ... sight.] (Medicine) The appearance of muscæ volitantes. See Muscæ volitantes , under Musca . Found on http://www.encyclo.co.uk/webster/M/124