Eyes… the window into the soul as they say. Below is a collection of resources on how to draw eyes to help you make sure your drawings have soul. Have fun!
Tutorials
UPDATE 12/10/11: If you’re looking for even more eye drawing resources, check out this great Squidoo lens on how to draw eyes compiled by Martin Stankewitz!
Figure Drawing For All It's Worth by Andrew Loomis (p. 176)
Drawing the Human Head by Burne Hogarth (p. 37)
Eye Drawing Tutorial by Brian Huey
How to Draw Eyes by Stanislav Prokopenko
Drawing the Human Eye on OnlyPencil
How to Draw Eyes on DrawFurry
How to Draw Eyes: The Male Eye by Cataclysm-X
How to Draw Eyes by JR Dunster
How to Draw a Realistic Eye by DorsY69
How to draw the femal eye on Instructables
Female Eye by Faith Te
Drawing Cartoon Eyes by Pete Emslie
Cartoon Eye Reference Sheet
Manga / Anime Eyes
Drawing the Manga Eye by Archvermin on DeviantArt
Tutorial: Create Unique Anime Eyes by Kikariz on DeviantArt
Draw Female Anime Eyes
How to Draw Eyes by Koda Tadashi
Videos
Photo References
Eye Stock Images on DeviantArt
Eye Images on Flickr
Eye Stock Images on morgueFile
40 Amazing Female Eye Photography by Amir