Hello OPTIMAL, I am wondering if anyone has a set protocol for cleaning fundus cameras. Specifically, how often do you clean the front objective lens, and what methods do you use? We recently discovered that one of our camera lenses was badly scratched from someone cleaning with something abrasive (seriously looks like it was done with sandpaper..thankfully it does not affect the image at all in most cases) Any other tips on camera cleaning and maintenance would be welcome! Thanks very much! Noelle Pensec Noelle Pensec Columbia University Medical Center Diagnostic Imaging Specialist (212) 305-0647