Yes, thank you I have seen many opthamalogists. Most do not know. I have not finished the sentence so as not to undermine their practise. (Not to include all of them. Most seem to want to focus in the immediate. and not the whole picture To me not all but most. Wish I cold know if there are scientists working on this most serious and necessary part of living a more content way of life. Very sad for all including the families.