With free-form lenses (also called digital high-definition lenses), the fabrication of the lenses from wearer's eyeglass prescription is optimized with computer-controlled surfacing equipment that is much more precise than conventional tools.
Medical Imaging began with radiography after the discovery of x-rays in 1895 by Wilhelm Roentgen, rÃ¶ntgen A german professor of. physics
Diagnostic Imaging Online August 19, 2004 CT inventor Godfrey Hounsfield dies Sir Godfrey N. Hounsfield, who won the 1979 Nobel Prize in Medicine for inventing computed axial tomography, died Aug. 12.He was 84.e was 84. The first CT machine took nine days to scan an object. Processing the information by computer then took 21 hours. Despite such formidable obstacles, researchers were undaunted.Hounsfield conceived the idea for a CAT scanner in 1967.