Maxillary sinusitis with optic neuritis

While conservative treatment resulted in slight improvement in the visual acuity, rapid betterment and ultimate normal vision followed the removal of infected tissue from the maxillary sinus. It is fair to conclude that the infection within the antrum was the cause of the optic neuritis. Conservative measures should be instituted while the search for foci of infection is progressing but once a focus is definitely established it must be eliminated without delay. Careful investigation and planning should precede nasal surgery.