Well, there’s articles that says he did blind the guy and articles that says he did not blind the guy.
I have no idea what to believe at this point except that somewhere there is some suspect reporting going on.
In the link, http://www.dailymail.co.uk/news/article-2868589/Mark-Wahlberg-s-blinding-race-attack-victim-Johnny-Trinh-backs-bid-pardon-saying-course-forgive-didn-t-blind-Communist-Vietnamese-did-that.html, the man himself says that he was already blind in the eye when Wahlberg attacked him.