title: Ultrasonic evaluation of eyes with keratoprostheses.
mesh_terms: D003318:Corneal Opacity / Q000601:surgery*; D005069:Evaluation Studies as Topic; D005128:Eye Diseases / Q000175:diagnosis; D006801:Humans; D008722:Methods; D010969:Plastics; D019736:Prostheses and Implants / Q000009:adverse effects; D014463:Ultrasonography
chemical_list: D010969:Plastics