Here you can see if Marcus Gunn Syndrome can be hereditary. Do you have any genetic components? Does any member of your family have Marcus Gunn Syndrome or may be more predisposed to developing the condition?
I’ve had this condition from birth and have never known anyone else who had it. I have no control over it whatsoever and am not really aware of when it happens. When I was very young, I had to attend a children’s eye hospital annually and I’d b...