Domingo Liotta and Surgery in 1953. In 1955, he developed a technique for early diagnosis of tumors in the pancreas and ampulla of Vater (Pour le diagnostic des tumeurs du pancreas: La duodenographie hypotonique. Lyon Chirurgical, 1955). Liotta continued his medical career at the University of Lyon (France) at the "Pierre Mallet-Guy's" General Surgery Service. Then, he trained in thoracic and cardiac surgery, with Professors Paul Santy and Pierre Marion in Lyon France. His early works in the artificial heart are from 1958 in Córdoba, Argentina, where he developed an early prototype successfully used in small animals. After publishing the results of
Rayner (company) London, Ridley performed the first IOL operation on the eye of a 45-year-old female patient. The operation was conducted in secret, done in two stages with the artificial lens permanently implanted three months later. In 1952 the first IOL implant was performed in the United States: a Ridley-Rayner lens was implanted at the Wills Eye Hospital in Philadelphia. Surgeons Turgut Hamdi MD and Warren Reese MD implanted a series of these lenses – some with good visual function results (reported in a review by Dr Charles Letocha in the "Journal of Cataract and Refractive Surgery" in 1999). A lens designed