This article will help you. http://www.violintutorpro.com/is-it-ever-too-late-to-learn/
From my point of view, there is a statement in my favorite book, The Alchemist, “When you really want something, the whole universe conspires in helping you to achieve it”. I always keep it in my mind and follow my heart. I hope you’d make your own decision and never regret about it.
Welcome to Violin Tutor Pro. This is an excellent place to learn violin. Let me encourage you that 58 is not too old to begin playing the violin as I am 12 years or so older than you and I am relearning the violin after many decades of learning it as a child. It will take work though.