I too have suffered from severe dry eye for a long time now. I don't think there is going to be anything that will help since one of my medications says that is a side effect.
To try to get my oil glands working the eye doctor had me get an eye mask and heat it up and sit with it on for 10 min. several times a day. I am not good at doing that as when sitting I like reading or watching TV. So have not been faithful enough to know if it would work or not.
Hope you find some relief.
I remember that you also suffered from dry. Its really hard when Im medication causes it. No way around that!
That true to your device worked until I stop sneezing. Once I got used to it and quit sneezing it didnt create any tears at all. Luckily there was a 30 day period to send it back. So I did although I havent got my refund yet.
What I have found works for me to make me sit there for 10 minutes as I listen to YouTube videos. As long as its not something that you need to watch that is! Otherwise I end up with the eye mask on my forehead for 10 minutes while I watch, not the best for my eyes!