The above example shows placement of the eyes.
a. Round Rimmed Glasses
b. Anime Eyes over Round Rimmed Glasses to show placement
c. Anime Eyes without Round Rimmed Glasses. The area around the eyes must be made transparent.
Here's how the eyes look on the model.
I'm no expert on how to draw anime eyes, but here's a few fantastic resources:
Free Anime Eye Font
Anime Eyes, Nose, and Mouth GIMP Brushes