Hospital accessibility design is no longer a luxury but a necessity to ensure that all patients, particularly those with low vision, can navigate safely and independently. Around the world, hospitals are adopting cutting-edge technologies to address navigation challenges, with sensory substitution playing a pivotal role. This article dives into the advanced hospital accessibility designs of Japan, the UK, and the U.S., while exploring how sensory substitution technologies empower individuals with low vision. Written with expertise and a lively tone, this