The 77-year-old pop star has been struggling with his eyesight since getting an infection in his right eye in July.
While his exact condition is unclear, Sir Elton told ABC News’ Good Morning America in November that he developed the infection in the south of France.
“It’s been four months now since I haven’t been able to see, and my left eye is not the greatest,” he said at the time.
Speaking to the on the red carpet, Wintour said she was looking forward to supporting Elton and described the musical as “entertaining”.
Asked whether the film and musical is at all representative of what the fashion industry is actually like, Vogue’s editor-in-chief said it was “for audiences to decide”.
“It’s for the audience and for the people I work with to decide if there are any similarities between me and Miranda Priestly,” she added.
It has often been rumoured that the character of Priestly was based loosely on Wintour.
