My dad got progressive MS at 50 and went downhill quite rapidly with it, so he was in a wheel chair at 60 where his legs had stopped working. When he died at 71 (from a heart attack) it had spread to his arms & eyes. Although MS isn't hereditary, if a member of your family has suffered from it, it does make you more genetically susceptible to it.
Where I partially sighted as a result of my severe adverse reaction to a flu vaccination and the damage it has done to the optic nerve right eye. It is possible that this can be caused by MS so I have had two MRI scans on my head and doctors have given me, thankfully, the all clear for MS.
MS is one of a range of immune system responses that attack your own body. Type 2 diabetes is another immune response that I do suffer from and likewise my wife suffers from ulcerative colitis which is again caused by your immune system. They have recently found that MS develops as a result of getting two specific viruses and a very promising line of research is in the future is stopping us getting one of the viruses with a vaccination.
Patrick Cox is a US investor, analyst and writer who specializes in biotechnology & anti-aging treatments. A comment of his is that in 20 years time, current medicine will look like the stone age. Where more & more countries have a non-replacement birthrate below 2.1 children per couple. Working, living and most importantly of all, staying healthy for most of our lives is going to be an increasingly important technology development area.
Yes, Zigzag lines in an eye are quite a common opt migraine, which I occasionally suffer from.