BSENISO8980-1:2017isaBritishStandardthatadoptstheEuropeanandInternationalstandardISO8980-1:2017.Itspecifiesrequirementsfortheopticalandgeometricalpropertiesofuncutfinishedspectaclelenses.Thisstandardappliestoalluncutfinishedspectaclelenses,includingsingle-vision,multifocal,andprogressivepowerlenses.Itdefinestolerancesandtestmethodsforparameterssuchasrefractivepower,astigmatism,prismaticpower,opticalcentration,andlensthickness.Thestandardhelpsensurequalityandperformanceconsistencyinophthalmiclenses,providingmanufacturers,opticians,andregulatorybodieswithcleartechnicalspecifications.CompliancewithBSENISO8980-1:2017helpsguaranteethatspectaclelensesmeetrecognizedsafetyandperformancebenchmarksforendusers.ThisdocumentsupersedespreviousversionsandshouldbeusedinconjunctionwithotherrelevantstandardsintheBSENISO8980seriesforcomprehensiveophthalmiclensspecifications.
