Yeah, they accept the humanna medicare. Whatever the after-sale service or the suitable price, walmart will offer you the best service at your buying of eyeglasses. The speed of making the eyeglasses after you order is fast. If there is any problems of the eyeglasses within three months, you can let them repair them for free.
I just wonder why you ask this question here. You'd better contact nearest Walmart and ask this question. Nevertheless, i can tell you that they are likely accept humana medicare. I heard that the White House medical reform bills have been passed. Anyway, you shall go your local Walmart Vision Center for sure.