This part of ISO12312 applies to all afocal (plano power) products intended for direct observation of the sun, such as solar eclipse viewing. Information on the use of filters for direct observation of the sun is given in AnnexA and AnnexB. This part of ISO12312 does not apply to the following: afocal (plano power) sunglasses and clip-ons for general use intended for protection against solar radiation; eyewear for protection against radiation from artificial light sources, such as those used in solaria; eye protectors specifically intended for sports (e.g. ski goggles or other types); sunglasses that have been medically prescribed for attenuating solar radiation; prescription sunglass lenses.