The design community has a hearing problem, and it is not the one we usually talk about. When we think of hearing loss, we picture older adults with hearing aids, but that stereotype is misleading and actively harmful to the products we build. Deafness is a spectrum, spanning from minor to profound loss, and it affects 466 million people globally. That is not a niche audience; it is a significant portion of the population we claim to serve. If our interfaces ignore them, we are not designing inclusively; we are designing carelessly.
The practical truth is that accessibility for people with hearing loss is not about adding captions as an afterthought. It begins with understanding that communication is multimodal. Many people who are deaf or hard of hearing rely on sign language, visual cues, and text-based interactions as primary channels. A video without accurate captions is not a minor oversight; it is a barrier. A notification system that relies solely on sound is not a design choice; it is an exclusion. The guidelines are straightforward: provide transcripts, use visual indicators for audio events, and test with real users across the spectrum of hearing ability. These are not advanced techniques. They are baseline expectations for any interface that claims to be modern.
We believe the deeper issue here is that the technology industry still defaults to a narrow, able-bodied user profile. We design for the hearing majority because that is easier, and we call it efficient. But efficiency that leaves out 466 million people is not efficient; it is incomplete. Assumptions about "disabled older adults" lead to broken products. The fix is not charity or compliance checklists. It is a shift in mindset: treat hearing accessibility as a core feature, not a special accommodation. When we do that, we often discover that visual alerts, clear text hierarchies, and redundant signaling improve the experience for everyone, including users in noisy environments or those who prefer reading over listening.
Our opinion is plain: stop designing for a mythical average user and start designing for the actual spectrum of human experience. The 466 million people with hearing loss are not a problem to solve; they are a design constraint that makes our work better. If your interface cannot serve them, it is not accessible, it is not inclusive, and it is not ready for the future. Start with captions, but do not stop there. Test with users who sign. Audit your audio cues. Ask yourself whether your product works without sound. If the answer is no, you have work to do.