How can a person learn how to type if they can no longer see to write by hand?

A good typist does not look at their hands or at the typing as they type. Typing is motor memory and a lot of practice. Touch typing is also a very good skill as a prerequisite to learning the use of a computer. Options for learning how to type include Hadley School for the Blind's self-study courses and?Talking Typer, ?synthetic speech typing tutorial for PCs.