“…Lighting is an environmental feature with important implications for safety and function (Barbur & Konstantakopoulou, 2012;Barstow, Bennett, & Vogtle, 2011;Chu, Kaldenberg, & Huefner, 2009;Kuyk & Elliott, 1999;Paul & Liu, 2012;Reed, Lowrey, & Vallis, 2006;Stevens, 2005;Stevens, Holman, & Bennett, 2001;Tideiskaar, 2003;Van Bemmel, Vandenbroucke, Westendorp, & Gussekloo, 2005;Woodland & Hobson, 2003;Wyman et al 2007). Visual performance worsens at lower ambient lighting levels and can be encumbering for older adults (Barbur & Konstantakopoulou, 2012).…”