The windshield wiper smears when reversing. Can it be fixed?

Hi, my windshield wipers are now 4 years old. I have to say that they're difficult to remove at first, and a thin film of water remains. But that settles down and things get better. However, when reversing, a windshield wiper leaves a 5cm-wide trail that's in my field of vision. They also occasionally rub….