Same here.....deaf in one ear, ok hearing in the other. Wore a hearing aid in one ear for a few years, sound is all over the place, I lose balance etc. Since we haven't been cruising I just stopped wearing it, but am looking at getting one of the latest ones and possibly may need one for the left ear to even things up.....$$$$!
We haven't dined on large tables for years mostly for this reason, if we have friends onboard we may dine with them now and then and I sit accordingly so I can hear.
Thankfully Andy and I love dining alone, breakfast lunch and dinner.