{"tema_id":"1470","string":"prismatic power           #01133","created":"2022-12-19 09:13:37","code":null,"notes":[{"@type":"Scope note","@lang":"en-EN","@value":"The unit for expressing prismatic power is the centimetre per metre (cm\/m). The name for this unit is the \u201cprism dioptre\u201d, for which the symbol is D. "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"reference: R093:1999 3.8 "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"ID: 01133 "},{"@type":"Definition note","@lang":"en-EN","@value":"deviation of a ray of light through a specific point on a lens "}]}