There was a related paper on using the eyes as a means of capturing a full environment map which could be used directly for relighting a scene (e.g., for 3d ren

There was a related paper on using the eyes as a means of capturing a full environment map which could be used directly for relighting a scene (e.g., for 3d rendered scenes or for compositing digital objects into scenes): http://www.cs.columbia.edu/CAVE/projects/eyes_relight/ http://www.cs.columbia.edu/CAVE/projects/eyes_relight/