SANTA CLARA, Calif., April 11 -- VISX Inc., a developer of laser vision correction systems, announced it has acquired technology associated with its WaveScan product line from 20/10 Perfect Vision Optische Gerate GmbH. VISX paid $5.9 million for the technology, which was previously licensed to VISX. VISX has granted 20/10 Perfect Vision certain license and distribution rights. For more information, visit: www.visx.com