Sentence:  He concludes that Mapplethorpe blocks racist <WSD>photophobia</WSD> by making the nudes whose penises are not visible highly erotic, while using blatantly penis-focused images to force white viewers to recognize that when they see a black man, they see him not just in possession of a large penis, but actually as a penis (Mercer 1991; Fanon 1952/2008). 
Meaning of the word marked with <WSD> tags:  An aversion to or fear of being photographed, the dissemination of personal photographs, or viewing photographs.