This girl gives great tutorials for eyes. http://jackychip.deviantart.com/gallery/43962195
As far as I know they don't, other than those creepy white contacts that only show your pupils.
For the face shape, basically shading is your friend. It's not gonna' be too drastic, but the basic idea behind shading is to look at your face and sort of mentally draw the shape you want, then shade the parts around it? It's hard to explain, but if you have a naturally round face, you're going to want to shade the top and especially the sides and under your cheekbones. This tutorial
goes through the different parts of your face that you contour and what they do. Might be helpful.