I have to renew my eye exam every year, so I schedule my inspectors to go with me and get all of us done at the same time. Our eye Dr. only charges a minimal charge($45) to administer the two required tests(Jaegar 1 and color blind) to each of us. Normally, you only need to take the Jaeger 2 for AWS, but I get the Jaegar 1 to satisfy the ASNT ACCP VT II requirements.
to answer your question #2:
Someone has posted links to a supplier of these eye charts in the forum...I'll try to find the links if I get a minute.