In 2007, Feuerman suffered an acute isolated stroke that affected the coordination of his eyes resulting in a dramatic shift in his visual perception. His partial blindness led to more awareness of the space around him. New things came into focus, leading into a body of work that develops dynamic environments that generate interactive relationships between our senses and the built environment.
The Stroke Foundation has made a blog post about his experience. Have a read of the article here: https://strokefoundation.org.au/Blog/2020/05/11/04/36/My-eye-opening-experience-with-stroke-by-William