I don't think there's a clear distinction between a lucid dream and an out of body experience. I've had both, and I've had experiences that were a little of both. This seems to fit with other people's experiences in previous discussions.

Notice that always, whether awake or asleep, your visual experience is projected by your imagination, as is your sense of where you are. When you're awake it usually conforms in an expected way with your surroundings, and of course it incorporates sensate information from your surroundings. In the lucid dream and the out of body experience you're not projecting current sensate information, but it seems that sometimes there is current information which comes from some other kind of 'seeing' not with the eyes. The reason for the ambiguity between lucid dream and out of body, is you may or may not project images that match your immediate 'real' surroundings, or overlay a combination of image types, and you may or may not move your projected sense of location to outside of your physical body. But it seems to all be the same kind of thing.

When I'm lucid dreaming, my peripheral vision is always worse than when awake. That's an easy to remember check on whether its a dream, not that I generally have much confusion about that.