Hearing loss, in many cases, can be treated with hearing aids. However,  it is not the same as vision correction. Your hearing aid will be fit to your hearing prescription. However, speech clarity may not always be resolved with volume. If the hearing loss is more neural in origin, the speech signal can seem distorted. Some find a more premium hearing aid beneficial in this case to help enhance the speech signal. Visual cues will also be advantageous to reinforce the speech signal.