Dear hollandlop,
I would recommend that you seek the care of an eyeMD. Perhaps, there is a something that you are allergic to or the conditions of the mall are drier than usual.
Dr. Feldman
Sandy T. Feldman, M.D., M.S.
ClearView Eye and Laser Medical Center
San Diego, California
Use artificial tears. Could be the mall ventilation that make your eyes dry.