Ok, so my first attempt with the Oil Rig sunglasses has failed, miserably. The paint would not smooth out or sand down at all and i just had no luck with them...
The new plan is to bring them back to a matte or flat black. they are sitting in a bucket of solvent right now which hopefully will help. Here is what they looked like after they were painted
Here are both arms and the rims of the glasses
With any luck I will be able to salvage these and bring them back to life, if I decide to paint them again it will be painted a very dark color (possibly Galaxy Blue, a colorshifting blue-purple) so that any flaws will not stand out. My only other idea is to take a dremel and try to copy this: