What do colorblind people see? What does the world look like to them? No single "right" answer exists, because there are different types and degrees of what is more appropriately called "color deficient vision." Formally trained in Anthropology (PhD) and Medicine (MD), Susan Brandt Graham is a photographic artist who has had a lifelong interest in understanding how "colorblind" people see the world. Using the art and technology of digital photography, she unlocks the fascinating world seen by people with severe red deficient vision. From images in her professional portfolio, she creates diptychs that are indistinguishable to her son, who, like his maternal grandfather, has a severe red deficiency. Contains 36 color images, 18 as they appear to people with normal color vision, paired with 18 as they appear to someone with severe red deficient color vision. This instructive and affordable volume is useful for people with red deficient vision to explain to others what they see; for family and friends to understand the world of their loved one; for ophthalmologists, optometrists, pediatricians, and other healthcare professionals who diagnose color deficient vision to use in explanation to patients and family/friends; for teachers to help students empathize with classmates who may perceive the world differently; and for anyone who desires to understand how others may see the world.