Tommy Gunn is wearing an eyepatch. It’s not an homage to the classic “Pirates” porn parody franchise, in which Gunn takes on the Johnny Depp role. The eyepatch is a temporary measure to help him deal with a nerve palsy that came out of nowhere several years ago and affects his vision from time to time. Gunn needs his vision. As one of the adult industry’s longest-serving male stars, he still has plenty to look forward to.