title: Ultrasonography and vitrectomy.
mesh_terms: D003930:Diabetic Retinopathy / Q000175:diagnosis; D003937:Diagnosis, Differential; D005128:Eye Diseases / Q000175:diagnosis; D005131:Eye Injuries / Q000175:diagnosis; D006470:Hemorrhage / Q000175:diagnosis; D006801:Humans; D012160:Retina / Q000502:physiology / Q000503:physiopathology; D012163:Retinal Detachment / Q000175:diagnosis; D012173:Retinitis / Q000175:diagnosis; D013997:Time Factors; D014465:Ultrasonics; D014822:Vitreous Body / Q000601:surgery*