Here is the continuation of my last post. As you can see, there is a defined and clouded pattern in the middle...it's bright around the edges, but not around the sweetspot. The pattern is the same no matter which way the light is moved.
The light might have defocused. Turn on the light and twist the top and bottom of the head. If it turns, it means your flashlight's locktite has weakened and you can now focus your light.