When drawing an eye, start with an almond shape to create the outline of the eye. The upper lid should curve more steeply than the lower lid, which has a gentler curve.
Within the almond shape, draw a large circle for the iris, making sure it is partially covered by the upper eyelid to create a more natural look. Inside the iris, add a smaller circle for the pupil and another smaller circle or oval off-center for the highlight. The highlight should be placed on the same side as the light source, giving the eye a reflective quality.
Next, draw the eyelashes starting from the eyelid, curving them slightly in the direction they would naturally grow. The upper eyelashes should be thicker and l...