has_disease_location cilium ciliopathy Rare genetic respiratory disease Primary ciliary dyskinesia - retinitis pigmentosa OMIM:300455 orphanet Primary ciliary dyskinesia - retinitis pigmentosa is an X-linked ciliary dysfunction of both respiratory epithelium and photoreceptors of the retina leading to ocular disorders (mild night blindness, constriction of the visual field, and scotopic and photopic ERG responses reduced to 30-60%) associated with primary ciliary dyskinesia manifestations (chronic bronchorrhea with bronchoectasis and chronic sinusitis) and sensorineural hearing loss. Genetic vitreous-retinal disease