I thought there may be more to it as both my father and my grandfather have/had the tearing up thing happen to them a lot (not when sad, it just happens at odd moments) and both have/had severe heart disease. I also tear up at odd times and wondered if it may actually be a symptom of something heart related.
Hey, I just saw this, thanks to the bumping and the update, I guess.
I just asked this question of my optometrist, since I’ve had this tearing thing happening once in a while over the last, oh, about 10 years. It’s gotten more noticeable and more frequent in the last 3, and of course haven’t seen an eye doctor in about 2.
So, he didn’t do a tear test or anything, but did tell me I have a mild dry-eye issue going on, and the extra tearing is when the eye is compensating for the cornea drying out. It’s bothersome to me because when the tearing starts, my eyes get an uncomfortable burning (for a few seconds) sensation, that makes the tearing worse, and feels best when I take a tissue (or my shirt if no tissue handy) and rub my eyes until the the tears are gone. Then, all better, sometimes for hours and sometimes for days.
So, tearing can be from dry-eye, and dry-eye can apparently need no other medical intervention if it’s mild enough. Mine’s limiting enough that I can only wear contacts daily. I have the kind that are gentle enough to wear 30-days straight, but I’m only allowed to wear them while I’m awake. Even then, my eyes feel tired after 8-10 hours so I only wear contacts for special occasions, going out, and days off from work.
That was longer than I planned to write… I hope it helped someone.