by Trinity Gruenberg trinity@inhnews.com Riley Spindler, 16, doesn’t let blindness define his life. A junior at Minnewaska Area High School, he is the son of Arin Stoterau (formerly of Eagle Bend) and Jared Spindler of Glenwood, and the older brother to six-year-old twin brothers, Hayden and Jonah. He manages a full schedule of music, athletics, and family time, navigating the world he cannot see with determination, independence, and a unique approach to life. Diagnosed wit