Summary Enlarged Vestibular Aqueduct (EVA) is a condition that affects the inner ear, leading to hearing loss and balance problems. It is the most common inner ear issue linked to hearing loss, and doctors usually find it using a CT scan. While hearing loss is common, balance issues are less frequently seen. There is no cure for EVA, but getting diagnosed early and avoiding further head injuries is important. What is EVA? The vestibular aqueduct is a small, tube-like passage in the in...