This International Standard, together with ISO 15004-1, specifies minimum requirements and test methods for trial frames for holding trial case lenses, complying with ISO 9801, in front of a subject's eyes in order to assess visual acuity and facilitate optical correction of vision
EN ISO 12867:2010 history
2010EN ISO 12867:2010 Ophthalmic instruments - Trial frames (ISO 12867:2010)
1998EN ISO 12867:1998 Ophthalmic Instruments - Trial Frames ISO 12867:1998