It makes it possible to pick up diseases of the eye and of the body that would not be possible without access to the eye, and that clip-on device can be manufactured for just a few dollars, and people can be cured of blindness, and I think it says a lot about us as a human race if we've developed cures and we don't deliver them.
oculars o del cos que no es podrien veure  sense accedir a l'ull, i aquest complement es pot fabricar per pocs dòlars, i es podria curar la ceguesa, i crec que això diu molt dels humans si desenvolupem cures i no les oferim. Però ara podem fer-ho.