ISO 19980-2005 眼科设备.角膜外形测量系统

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【英文标准名称】:Ophthalmicinstruments-Cornealtopographers
【原文标准名称】:眼科设备.角膜外形测量系统
【标准号】:ISO19980-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:角膜;定义;精密机械;作标记;眼科光学;眼科设备;眼科学;眼膜曲率计;光学仪器;光学;规范(验收);试验;地形学
【英文主题词】:Cornea;Definitions;Finemechanics;Marking;Ophthalmicequipment;Ophthalmicoptics;Ophthalmology;Ophthalmometers;Opticalinstruments;Optics;Specification(approval);Testing;Topography
【摘要】:ThisInternationalStandardisapplicabletoinstruments,systemsandmethodsthatareintendedtomeasurethesurfaceshapeofthecorneaofthehumaneye.NOTEThemeasurementscanbeofthecurvatureofthesurfaceinlocalareas,three-dimensionaltopographicalmeasurementsofthesurfaceorothermoreglobalparametersusedtocharacterizethesurface.Itisnotapplicabletoophthalmicinstrumentsclassifiedasophthalmometers.ThisInternationalStandarddefinescertaintermsthatarespecifictothecharacterizationofthecornealshapesothattheymaybestandardizedthroughoutthefieldofvisioncareandhavecommonmeaningforallthosewhohaveoccasiontoparticipateinthisarea.ThisInternationalStandardspecifiesminimumrequirementsforinstrumentsandsystemsthatfallintotheclassofcornealtopographers.ItspecifiestestsandproceduresthatwillverifythatasystemorinstrumentcomplieswiththestandardandsoqualifiesasacornealtopographerinthemeaningofthisInternationalStandard.Itspecifiescertaintestsandproceduresthatwillallowtheverificationofcapabilitiesofsystemsthatarebeyondtheminimumrequiredforcornealtopographers.
【中国标准分类号】:C32
【国际标准分类号】:11_040_70
【页数】:24P;A4
【正文语种】:英语