Observe the eye shape, eyelids, iris, pupil, lashes, and highlights
Lightly sketch the overall eye outline
Mark the upper and lower eyelids
Draw the iris inside the eye shape
Add the pupil in the center of the iris
Indicate the tear duct at the inner corner
Sketch the crease above the upper eyelid
Add the eyelid thickness
Place the eyelashes along the eyelid edges
Keep eyelashes varied in length and direction
Shade the iris with darker edges and lighter areas
Leave a small highlight in the iris and pupil
Darken the pupil more than the iris
Shade under the upper eyelid to create depth
Add shadows around the eye socket
Blend the shading smoothly
Refine the eyelid contours and eye corners
Add fine details to the iris texture
Adjust contrast for a realistic look
Erase unnecessary construction lines
Compare both eyes if drawing a face