koivu suffered further knee problems in 2003–04 and was forced to miss 13 games. during the 2004–05 nhl lockout, he returned to finland to play for tps, whose head coach at the time was his father, jukka koivu. he was joined in turku by canadiens teammate craig rivet. when nhl play resumed in 2005–06, koivu returned to the canadiens to tally 62 points in 72 games. on april 26, 2006, however, during a home playoff game against the carolina hurricanes, koivu sustained a serious injury to his left eye; hurricanes forward justin williams attempted to lift koivu's stick but instead struck him in the eye. koivu was rushed to the hospital, where he would remain overnight and for the remainder of the playoffs. he remained out of the lineup for the rest of the series and underwent surgery to repair a detached retina during the off-season.