Hi Barb, They need to photograph the FL stain with blue light only (usualy a blue filter over the flash on a photo slitlamp) and then they need to photograpgh through a yellow filter, usually placed in front of the optical head/lenses on the slit lamp. Mark On 11/4/10 5:17 PM, "OPS Office" <ops@xxxxxxxxxx> wrote: > Everyone: > I received the following inquiry and need help giving them the correct > response. > Thanks! > > <<Greetings. I always enjoy your society¹s exhibits at AAO and ASCRS. How > can I get a filter to enhance FL stain of cornea during slit lamp > photography.>> > > > Barbara McCalley > > Executive Director > > Ophthalmic Photographers' Society > > 1887 W. Ranch Rd. > > Nixa, MO 65714 > > 1-800-403-1677 or 417-725-0181 > > FAX: 417-724-8450 > > ops@xxxxxxxxxx > > > -- Mark Maio InVision, Inc. 5445 Buckhollow Drive Alpharetta, GA 30005 markmaio@xxxxxxxxxxxxxx 404-386-5676 Consultant in ophthalmic and biomedical imaging. Member of Adobe's Biomedical Imaging Advisory Group My fine art photography is represented by Lumiere: http://lumieregallery.net/wp/?p=254