This is an old drawing and very important to me. I've been doing some adjustments on it. In the future, I want to do more tests because I don't consider it finished. There is so much to do on it! I think it will always be unfinished!
The first version was made using only pencil. In this update, I chose to use Photoshop CS6 to make some adjustments. I used mainly the Photoshop brushes to strengthen the shadows and soften the pencil marks. I also used the oil painting filter for the final look.
This is actually really cool and very well done! I've always thought that drawings of close-up eyes are overdone and never executed very well. Your drawing proves me wrong.