What factors influence your evaluation of surgical candidacy for persistent fetal vasculature, and how do you approach operative management?  

I believe all these babies need a very good EUA. First of all, you need to be sure it is not RB and it is not FEVR. By doing this, you make sure the "good" eye is perfect. You need to know the difference in axial length between eyes (Sisk et al., PMID 20619897) because it can help in educating paren...