Fran
                    
                    
                    
                    
                    
                    
                    
                        
                        
                        The first thing I would do is find a new Dr.  Look for a cornea specialist.  Also try a lid scrub of diluted baby shampoo that should help with the bacteria Also if it is a auto-immune disorder there are some meds that can help with dryness. Such as Evoxac or Salagen.  I have Lupus and Sjogrens which both cause very dry eyes.