Global developmental delay, Hallucinations, Hemianopia, High hypermetropia, Hypoplasia of the nasal bone, Intellectual disability, Iris hypopigmentation, Motor delay, Nyctalopia, Rod-cone dystrophy, Schizophrenia, Scotoma, Sensorineural hearing impairment, Subcortical cerebral atrophy, Undetectable electroretinogram, Vestibular dysfunction, Vestibular hypofunction, Visual loss

abnormal utricular macula morphology, abnormal vestibular hair cell stereociliary bundle morphology, abnormal vestibular system physiology, absent cochlear hair cells, absent cochlear microphonics, absent distortion product otoacoustic emissions, absent linear vestibular evoked potential, bidirectional circling, circling, cochlear outer hair cell degeneration, deafness, decreased inner hair cell stereocilia number, decreased outer hair cell stereocilia number, head shaking, head tossing, impaired swimming, increased or absent threshold for auditory brainstem response, reduced linear vestibular evoked potential, short cochlear outer hair cells, short inner hair cell stereocilia, short outer hair cell stereocilia, vestibular hair cell degeneration, vestibular saccular macula degeneration, vision/eye phenotype