title: A case of retinitis pigmentosa and asteroid hyalosis: diagnosis and low vision management.
abstract: Unexplained symptoms of night blindness in low vision patient signaled the need for careful fundus examination. When opacities of the media obscured potential signs of disease, perimetry, color vision testing, electrodiagnostic testing and dark adaptometry were needed to establish a diagnosis of retinitis pigmentosa.
mesh_terms: D003937:Diagnosis, Differential; D005128:Eye Diseases / Q000150:complications / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D009755:Night Blindness / Q000209:etiology; D012174:Retinitis Pigmentosa / Q000150:complications* / Q000175:diagnosis; D012682:Sensory Aids; D014786:Vision Disorders / Q000209:etiology / Q000628:therapy; D014787:Vision Tests; D014822:Vitreous Body