Marfans is a dominant disorder, meaning that only one abnormal copy of the gene must be present for the offspring to be affected. The current best estimate is that one in ten thousand people throughout the world have Marfans. It is estimated that about a quarter of Marfans cases are spontaneous, without a link to a parent who has Marfans. Marfans is characterized by high penetrance. The Opthalmologist does a slit lamp exam to determine that the lens has moved.
Most people don t require surgery for lens removal.
Surgical correction was used cautiously in the past because of problems such as risk of detached retina. Current techniques have lowered the associated risk and the operation is not considered unnecessarily risky at his point. Long bone overgrowth wherein the length of arms and legs are longer than normal for the trunk. This characteristic may be seen in arms, legs, or fingers. The finger length can be compared to palm length.