Stereogram test for right/left eye dominance.

I recently endeavored to figure out if I was right or left eye dominant by looking at a stereogram which I created. The idea was to create a stereogram with a white disc smack in the middle of it and when I had diverged my eyes to the proper amount, figure out which of the two apparent white discs I saw, or saw more strongly. The purpose of the stereogram was to keep my eyes at a fixed divergence long enough to tell which disc I was seeing without them trying to reconverge again. I had also put a couple of dots below and on either side of the white disc to help me determine which of the two white discs I was seeing. With my eyes diverged the two dots would "stereofuse" and I would see a clearly resolved single dot in the middle with two more hazy, not-sure-if-they're-there type dots on either side. I would then look at the dot in the middle and see which of the two apparent white discs I saw, or saw more strongly. If I saw a white disc above and to the left of this center dot, it would mean I was seeing the disc with my right eye (and was therefore right eye dominant), and if I saw a white disc above and to the right of it, it would mean I was seeing the disc with my left eye (and was therefore left eye dominant). When I actually tried this, however, I saw two white discs for a while, then one would fade out and the other become more strong, and I would think I had figured it out, but then the other one would become stronger. Sometimes both discs would disappear! After a while I discovered I could control this fading in and out. A little more experimentation and I discovered that a fuzzy disc, or "cloud" (without a clear edge) made it even easier to do this with my eyes. I then experiemented with changing the color of the dots to see if I could use that to control the fading in and out of the white clouds. The idea was that if I focused on seeing one color dot, the cloud would appear, and if I focused on another color dot, the cloud would disappear. I also tried seeing what happened if I tried to create a "color contradiction" with the center dot. Could I affect which of the white clouds I saw by focusing on making that center dot a certain color? For your viewing pleasure, here is the stereogram I created:


Here are some of my observations:
- Sometimes I can see both white clouds strongly, and when that happens the dots underneath them are clearly yellow. The center dot appears to be a yellowish-brown.

- Sometimes one cloud appears strongly and the other one dissapears. If the cloud on the left appears, the dot underneath it looks yellow and the dot smack in the center (which is usually the one I focus on) appears to be orange. If the cloud on the right appears, the dot underneath it looks yellow and the dot smack in the center appears to be green.
- Sometimes both clouds disappear! When that happens the dot smack in the center appears gray, the dot on the right becomes orange and the dot on the left green. This state is the most difficult to remain in. One of the clouds always tries to come back within about a half-second or so. Perhaps with more practice I could make them dissapear for longer.

I would be curious to know about your experience with this stereogram. Am I just weird, or are there other people out there who can do this? (BTW don't try doing this for too long or it will give you a headache!)