Indizen Optical Technologies Signs Free-form Technology License Agreement With Carl Zeiss Vision

SAN DIEGO—Indizen Optical Technologies (IOT), a free-form lens design company based in Madrid, Spain, has entered into a royalty-bearing license agreement with Carl Zeiss Vision under Carl Zeiss Vision International's U.S. Patent No. 6,089,713 and Australian Patent No. 739,849.   The agreement covers certain types of back-surface, free-form progressive lenses and processes by which they are made. These include types of progressive lenses whose front surfaces are rotationally symmetric with the back-surface progressive design determined by the individual prescriptions alone or in combination with other customization options.   Read the article on VMail