Your American companies would be Diagnosys, and LKC. VERIS for multifocal Multiple CPT codes and ICD.9 codes Contact me directly. Multifocal different than full field. Denice Barsness, CRA, COMT, ROUB, FOPS Ophthalmic Diagnostic Center CPMC Department of Ophthalmology 2100 Webster Street Suite 212 San Francisco CA 94115 (415) 600-3937 FAX (415) 600-6563 -----Original Message----- From: optimal-bounce@xxxxxxxxxxxxx [mailto:optimal-bounce@xxxxxxxxxxxxx] On Behalf Of Ray Gardner Sent: Friday, July 01, 2011 11:21 AM To: optimal@xxxxxxxxxxxxx Subject: [optimal] Multi-focal ERG Looking for names of companies that sell ERGs and what one works best in the retina world? I've had some classes at OPS meetings but I need some resources on the subject to read. I would like to find what IDC codes are covered too. I would deeply appreciate your help Sent from my iPhone