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
Transcript of Electromagnetic Radiation- CT Scans. By Alice Neill CT Scans When were CT Scans invented? Limitation of the technology and a Summary of an article Bibliography CT Scans were invented in in 1972 by a British engineer, Godfrey Hounsfield and South African-born physicist Allan Cormack. They were both independently developed in England and in the US.