Hearing aid effectiveness on patients with chronic tinnitus and associated hearing loss

•Amplification restores auditory input and reduce tinnitus annoyance.•THI reduction has been considered to be clinically and statistically significant (20 or more points) after 6-months of hearing aids usage.•A significant reduction in THI and VAS indicates a significant improvement in tinnitus severity.•Minimal masking levels showed statistically significant reduction after 6-months use of HAs, and inverse correlation with duration of tinnitus.•THI, HHIA, VAS for tinnitus annoyance and MMLs are interrelated parameters on tinnitus amelioration.