No ear damage no deformity and no degenerative issues. I also told my Son that if there is a speck of wax, have them flush it. I also gave him all the pointers I know of for taking the test....Breath ONLY the moment he presses that button, make sure head phones are 100% perfect, do not move a hair...close eyes and focus as if he's trying to hear a flea fart. I told him its for only about 2 minutes.
I also told him to be up front with the MEPS Audio People and tell them this is your very last chance. I have HEARD that helps.