For lack of concentration omega 3 oil work great. You body uses oil to make energy and if you are on the diet, you will need to supplement for a while before you see results.
Lycium works marvel for eyes, so does vitamin A (cod liver oil). A fast would also be something to consider to help accelerate the healing process. Especially so a semi-fast: //www.curezone.org/blogs/m.asp?f=308&i=15