What Causes Pain And Swollen Sensation Around Eyes And Forehead?

Hi doctor, I have been suffering from pain around my right eyes feels swollen ,pain extends on forehead and right side face,have consulted so many doctors nuerologists,they have confirmed it is not trijaminal nuerologiia,my pain is constant pain varies from 5to8(1being low&10 being high).my homeopath has given me Cedron, which I am taking from last week.i am 48yr old Indian origan living in Newzealand.I am also on medication for BP.seek your help.