Apologies for not recalling offhand who that person is to then try to look up the address, but if you or someone here who recognizes this would help you notices this and can get it to you, there is exciting, new gene therapy work to save the cells and prevent blindness. The study appears in the Journal of the Federation of American Societies for Experimental Biology (FASEB). Announcement: http://www.ouhsc.edu/article-display.asp?idnum=1538 Sukie (not a vet) Recommended ferret health links: http://pets.groups.yahoo.com/group/ferrethealth/ http://ferrethealth.org/archive/ http://www.afip.org/ferrets/index.html http://www.miamiferret.org/ http://www.ferrethealth.msu.edu/ http://www.ferretcongress.org/ http://www.trifl.org/index.shtml http://homepage.mac.com/sukie/sukiesferretlinks.html all ferret topics: http://listserv.ferretmailinglist.org/archives/ferret-search.html "All hail the procrastinators for they shall rule the world tomorrow." (2010, Steve Crandall) [Posted in FML 6727]