The lighting is more prominent on one side of the face, but the other side of the face is readily visible.
This is a variation of the split lighting technique that results in more of the face being visible than with true split lighting. The lighting is more prominent on one side of the face, but the other side of the face is readily visible. You can use this when you like the drama created by the split lighting technique but want to see more detail on the shadow side of the face.