Believe me, I know this all to well. You're preaching to the choir. My initial acoustic (blast) trauma was a job related injury.
Were you entitled to compensation?
Yesterday I read this article that another poster linked, and it is quite interesting to see how views differ on tinnitus and hyperacusis when one is trying to treat them and when an ENT is acting for a company trying to deny compensation for job-related injury:
https://www.themonthly.com.au/issue/2018/may/1525096800/kate-cole-adams/when-sound-becomes-pain