Well, start with the basic shape - an almond. Then add the iris and pupil, making sure to give them a shine. Pay attention to the eyelashes too - they can add a lot of charm.
First, sketch a light outline of the eye. Pay attention to the size and shape. Add details like eyelashes and highlights to make it look more realistic. It takes practice to get it right!
Well, to draw cat cartoon eyes, first, outline the basic shape. Make them big and roundish. Add a shine in the center of the pupil and some eyelashes for a cute effect. Also, think about the expression you want the cat to have and adjust the shape accordingly.