Suggest Treatment For Headache, Tinnitus And Vision Problem

I ve recently been experiencing headaches, usually from my eyes up to the mid scalp, along with flashing lights and loafers in my peripheral vision, I do have a perscription for glasses and wear them at all times. A new, more recent symptoms is delusions. Delusions that I ve done and finished something when I haven t. Also, I ve been hearing a sort of ringing in my head and a scratching noise. Any ideas for a diagnosis?