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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Walter Wittich Université de Montréal, Canada

Walter Wittich is an assistant professor at the School of Optometry at the Université de Montréal, in Montreal, Quebec, Canada. His research focuses on the rehabilitation of older adults with combined vision and hearing loss. Following his master’s in psychology (Concordia University) and a PhD in visual neuroscience (McGill University), he completed a postdoctoral fellowship in audiology at the University of Montreal. Coming from a background in age-related vision loss, he now conducts research in dual sensory impairment and acquired deafblindness. His research domains include basic sensory science, as well as medical, psychosocial, and rehabilitation approaches to sensory loss, where he has published over 70 peer-reviewed articles. He is the inaugural chair of the Deafblind International Research Network and chair of the Visual Impairment and Rehabilitation axis of the Quebec Vision Health Research Network, is a fellow of the American Academy of Optometry and is Quebec’s first Certified Low Vision Therapist.