Peter, even if a trachoma operation cost the same as training a guide dog, and didn’t always prevent blindness, it would still be an excellent cost comparison because vision correction is vastly superior to having a dog.
And moreover it doesn’t just improve vision, it removes a source of intense pain.
Peter, even if a trachoma operation cost the same as training a guide dog, and didn’t always prevent blindness, it would still be an excellent cost comparison because vision correction is vastly superior to having a dog.
And moreover it doesn’t just improve vision, it removes a source of intense pain.