I recently had a patient come into my practice (I am a board certified optician in FL) who had inexplicably lost vision bilaterally. It seems that the man’s optic nerve ‘canal’ (his word) had swollen, shutting off blood flow to the eye. This first happened to the right eye, eventually leaving him with virtually no vision (finger count). He then suffered the same issue in the other eye, but has retained 20/60- in that eye. He has been to several “specialists” who have not yet either A) given him a specific root cause (hypertension, diabetes, and a couple other possibilities have been mentioned) and B) he’s been told there really is no help for this, that he could have this happen again, and could lose all vision. So, I came here, as I read this site quite often. Has any one seen this? And/or, the patient and family are talking about ‘stem cells’ and even mentioned the chip technology, but I”m not sure that would have any real efficacy in this case. Any responses would be much appreciated.