Draw a rough oval or almond shape for the eye outline
Add the upper eyelid with a thicker, curved line
Draw the lower eyelid with a lighter, shorter curve
Sketch the iris as a large circle or oval inside the eye
Add the pupil in the center of the iris
Leave one or two white highlights in the iris and pupil
Shade the upper part of the iris darker
Add eyelashes to the outer corners and upper lid
Draw the eyebrow above the eye
Clean up the sketch and refine the lines
Add light shading under the upper eyelid
Adjust the eye shape to match the anime style you want