Alice Jusczynski of Chicago looks over a model of the mechanical eyeball, used in medical instruction by the USAF School of Aviation and Medicine at Randolph Field, Texas, October 16, 1948. Made of plastic, it can be operated to demonstrate the muscles which move in the eye. It was one of the exhibits at the 53rd annual meeting of the American Society of Ophthalmology and Otolaryngology in Chicago. (Photo by Edward Kitch/AP Photo)
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