Dr. Usha Jain is an expert who removed wax from the ear and the patient can hear back. Flushing wax from the ear can restore hearing. If you have a gradual hearing loss, it can be from the build-up of the ear and it can be instantly cured and hearing can come back.
Dr. Usha Jain washed/flushed the ear to remove the wax in the patient in the video and the patient can hear right away.