Hi, Darlene. I have what used to be called low-pressure glaucoma (I think they call it primary normal tension now?) which basically means that my optic nerve isn't under pressure, I was just born with a thin one. (It's genetic; my grandmother has it and my great-great grandfather was blind when he died.) My pressure is actually low normal, even with nicotine, but my optic nerve is wearing away. (I also have mismatched vision, so at high risk for detaching retinae... and I'm allergic to cannibis and derived medications, so there's a good chance I'll be blind before my nieces (1 year and Kindergarten) graduate from college).
I have an opthamologist appointment in two weeks, and I plan to have a good long chat about the ecig with him. I'll report his opinion, but realize my case might not apply.