Note: Before reviewing any CalPCA webinar, regardless of topic, please conduct the Fi$Cal User Productivity Kit (UPK) training provided via the links above. The CalPCA training offered is designed to enhance user knowledge to the already designed Fi$Cal UPK's. State Contract & Procurement Registration System (SCPRS)
1 Ethmoid Sinus Cavities â are located in-between the eyes. 2  An infection in these sinus cavities can cause pain in-between the eyes. 3  This pain can extend to the forehead and cause headaches. 4  Frontal Sinus Cavities â are found above the eye and eye bone.
Nasal polyps usually only cause problems if they are large or grow in clusters. If polyps block your sinuses, they can cause a build-up of fluid that may become infected (sinusitis). If this happens, you may have facial pain, toothache and a high temperature (fever).