It is hard to know what is connected to PN and what is seperate. I am fearful one day I am going to think it is PN or RSD but it be something seperate and have major issues. Yet at the same time if I went to the docs for everything I have has happen I would be there every day. I would see an eye doc and get a retina exam. You also may want an mri of your brain. That were steps I took when I was having eye issues. Let us know how the blood work comes out