The top one is from a normal animal, the middle one is from a blind animal that's been treated with this encoder-transducer device, and the bottom one is from a blind animal treated with a standard prosthetic.
La de arriba es de un animal normal. La del medio es de un animal ciego que ha sido tratado con el mecanismo codificador-transductor y la inferior es de un animal tratado con una prótesis corriente.