Everyone in the party has taken the feat, "Echo Location," which compensates nicely. The only problem is that to roleplay the feat properly, the players have to repeatedly sound off as they roll dice, map, etc. It gets very noisy at the table. ...
"I roll to EEEEEEEEP hit the EEEEEEP orc chief. ... 13."
"That's a hit; fearless leader crumples. Janice, what's Throgmorton doing?
"He's already EEEEEEEP prepped his crossbow with EEEEEEEP a silver-tipped EEEEEEEP bolt."
"Hold on! EEEEEP I need to EEEEEP get Grundy out of the EEEEEEEEP way before you ..."
"What?!
"I said --"
"EEEEEEP my wizard is EEEEEEP..."
"Nat-20! That's gonna EEEEEEEEEEEEP hurt. Who's next? I said WHO'S NEXT?!"
"Did my EEEEEEEP spell go off before EEEEEP he ducked behind EEEEEEEEP the wall?"
"I've EEEEP got just EEEEP two hit points left. ... EEP."
We try to play in well-lit areas as often as possible.