Okay -- that's helpful information; blepharitis is one cause of eyes feeling dry, so, from your answer, it's possible that blepharitis is the cause of your eyes feeling dry. Treatment usually begins with warm compresses to the eyelids and a scrub with a mild soap (like baby shampoo). See your regular doctor or ophthalmologist about these and other treatment options.
Just a few more questions.
Do you wear contact lenses?