Hi Tim,
My apologies for the delayed response. I can't say I've noticed anything unusual on the greens while playing today or yesterday. You've done the basic things already like clearing your cache, so I'm unsure as to what may be causing the issue for you. I might recommend trying a lower graphics setting. That will speed up your performance a little and may give you a better reading of the dots on the grid.
If you believe something is seriously wrong and you have the ability take a short video you can send in to us at members@worldgolftour.com. That way we'll be able to see exactly what you are seeing.
Good Luck =)