Junia's fursuit eyes, I'd say they came out rather lovely. ^.^

I'll teach you my eye method on the fly, just cause it's so simple. c:

-Take a plastic bowl and cut out the shapes you need. Make LOTS of paper blanks first, you want the best fit and shape possible.
-Paint on the irises and any eye-shines you may want. Junia's right sclera is black so I painted that too.
-Hot glue cheap, dark sunglass lenses to the back. Use LOTS of glue around the edges, most sunglass lenses have a curve to them that makes it easy for them to pop right out if insufficient gluing occurs.
-Glue them in AFTER the mask is furred, it makes things so much easier.

Warning- you will want your suit to be well ventilated, if it gets too hot and steamy in the mask, the pupils WILL fog up and you WILL NOT be able to see. I recommend installing a small cooling system or a fan.