My sister has poor vision.. She has blurred image vision, this is because the nerves which supports retina are very week.. When she stretchs her eyes, eye balls will shake like anything.. My father and mothers marriage are close blood relation infact of that my sister got this problem. This problem is there from her child hood.. Now in this latest technology world am literally looking for guidance or help by any chance atleast for one eye if she could vision.. It's big big achievement in her.. Please doctors help me in the problem, seeking for advise or where can I get help.. Or get the problem cured.. Am grateful for your response