Is it harmful to wear just one hearing aid? Wearing just one hearing aid, known as monaural hearing aid use, is not necessarily harmful, but it may not provide the best outcomes for your hearing and overall well-being. When Wearing One Hearing Aid Might Be Fine Unilateral Hearing Loss: If you only have hearing loss in one ear, a single hearing aid might be sufficient. Mild Hearing Loss: If one ear has normal or near-normal hearing, using just one hearing aid could work well for your…