InSite Vision Incorporated (OTCBB:INSV) today reported financial results for the quarter ended September 30, 2013. Revenues for the third quarter of 2013 were $5.3 million compared to $12.1 million for the same period in 2012. Included in the third quarter of 2013 and 2012 were an additional $3.7 million and $9.3 million, respectively, in minimum royalty true-up payments from Merck on net sales of AzaSite.