Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens

The invention relates to an apparatus (100) for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer with a visual characteristics providing device (104a), for providing visual characteristics of the spectacle wearer, a needs providing device (104b), for providing individual needs of the spectacle wearer, a spectacle lens type providing device (104c) for providing a plurality of types of spectacle lenses having predetermined characteristics, a desired characteristics ascertaining device (106a), for ascertaining desired characteristics (4100) of a type of spectacle lens using the provided visual characteristics, and the provided individual needs of the spectacle wearer, an assigning device (106b), for assigning at least one type of spectacle lens from among the plurality of types of spectacle lenses to the desired characteristics, on the basis of predetermined assignment rules, and a spectacle lens type outputting device (108, 112).