Registered

Hey guys, this is my first post here. I really have no genetics education aside from the classes I took in High School, and I am currently a senior undergrad in Mechanical Engineering. So this should tell you how much I really know about what I'm about to ask. Anyway, here goes: Let's say a grown person wants their eye color to be purple at the DNA level. This means they don't want to wear colored contacts; they actually want to change their DNA to produce a purple iris. Would this be possible by infecting the person with a synthetic retrovirus (gene therapy)? If so, would the virus be able to cross the Weismann Barrier and modify the person's reproductive cells, thereby causing the person's offspring to have purple eyes as well? My friend and I were discussing this today and I was curious to hear what some more educated folks would have to say. Please share all the information you guys know!