Vision and long time living.

Many doctors are wondering about a best vision in such peoples, biut genetical potential for live prolonging are till 120-140 years. As today on Est are Tibet,China West, where are living till 150 years, and described such cases are showed in book By Hilton As lost horizont, as an old person nhave a doctor from china Li was born in Tibet, as on 150 y,old is imperator for China managing with certificate by jis age,and on 200 y,old he got a second diploma, as that he died on 256 y.old,as on 1933 after dead New york times written,that he dead on 200 y.old.
As in WEeast pakistan, asa group of peoples called bogazes are long time lived till 140 years, and in Georgia drinking for sour milk are living till 120 y.old, till such years are living Armenians , Azerbaigans, Abhazians.