Diabetic neuropathy is a huge and difficult topic. Any of the major web sites related to diabetes, such as government, hospitals and associations, will have information to give you background on this.
I think this is a pivotally important presentation on the topic of diabetic neuropathy. Dr. Richard K. Bernstein has very extensive clinical experience in the treatment of diabetes. Also, he is a long-term survivor/thriver who has Type 1 Diabetes himself, yet is still practicing in his 80’s. His reports of his experiences much be given attention.
Upper eye lids becoming “droopy” due to diabetic damage LINK
Autonomic Nervous System problems LINK