Bonita Hearing, the audiology practice of Ryan Johnson, Au.D., serves Chula Vista's Bonita community from Bonita Road with diagnostic hearing evaluation and hearing aid fitting under California audiology license AU2900. Complex cases involving sensorineural hearing loss with concurrent sinus or middle-ear pathology coordinate with otolaryngology referrals through ENT Associates of San Diego on the Chula Vista medical corridor. He earned his Bachelor of Arts from the University of Michigan and his Doctor of Audiology degree from the University of Cincinnati, relocating from Michigan to San Diego in the early 2000s before establishing the Bonita practice. Pediatric and geriatric patients requiring multisensory baseline assessment benefit from the Bonita Road health corridor's sensory-specialist concentration, with visual acuity screening available through EyeCare of Bonita on the same commercial stretch. Advanced services include real-ear measurement verification for hearing aid calibration, tympanometry for middle-ear pressure analysis, and tinnitus retraining therapy using broadband sound generators.