The eye are the mirror of the soul someone said but anyways you can not capture the soul of a character if you can not draw eyes proficiently. Here is a collection of the best tutorials on the net about this subject. Have fun!
Tutorial: How to draw a realistic eye - by: Elna Bastiansen
The best way to achieve photorealism is by using a model. If none are available, a mirror or a reference photo does the trick.
How to draw an eye with charcoal
How to Draw Eyes - By Stan Prokopenko
I will go over the structure of the eye and detailed information on drawing the brow ridge, eyeball, eyelids, eyelashes, iris, cornea, and pupil.
How to Draw Eyes - Tutorial
Everyone has their own way of drawing eyes and when you’re just learning, it can be very helpful to look at as many different techniques as possible. In this article, I talked about general tips for drawing eyes and provided some links to tutorials on the web. Now, here’s my tutorial.
How to draw eyes step by step
You want to know how to draw eyes that look 'lively' and have 'soul'?
DRAWING THE HUMAN EYE
Step 1 - Start with a basic sketch of the eye. Notice how the lines droops down on the left and flares slightly upwards at the bottom to reveal the tear duct.
How to Draw Caricatures: Eyes
Our first feature is the eyes. I’ve always felt that the eyes of a caricature are the center of everything, literally the center of the face but figuratively the center of expression, personality and “life” as it were.
How to draw eyes: a simple technique
Learning how to draw eyes is regarded by many artists as a fundamental skill. The reason being that eyes are considered one of the most important facial features.
Drawing the human eye
we can all probably draw the human eye, we draw the oval shape with the iris and pupil. I consider that to be a basic sketch of the eye. Before you draw a realistic eye you must first study what it really is
Drawing the Female Eye by Faith Te
Here is the first tutorial from Art Studio — a female eye. My method in graphite pencil drawing aims to render subjects as realistically as I can. The following is a step-by-step demonstration of how I draw eyes.
Tutorial: how to draw eyes by =Cataclysm-X on deviantART
How to draw male eyes that is! Since there are many differences between to male eye and the female eye, I chose to create a tutorial about the male eye only
How to Draw Eyes by Brian Duey
I made this tutorial to show the different steps that I take in drawing a realistic eye. There are many different methods though, so don't rely purely on this one. :)
How to draw the female eye
Learn to become a professional pencil artist.
This tutorial will show you how to draw the female eye.