Bifocal-/ Trifocal lenses provide presbyopes with clear vision for two or three different ranges, usually for distance, intermediate and near vision.
With a segment in the lower area of the lens, a bifocal or trifocal displays two or three different dioptric powers.
Bifocal CT 25 / CT 28
Bifocal spectacle lenses - now true classics - are available in different main materials - e. g. as higher-index glass lenses, as photochromic lenses or as light plastic lenses, and with different segment sizes depending on the visual zone required.
Cookies are small text files that are stored on your computer by websites. Cookies are widely used and help to optimize the pages that you view. By using this site, you agree to their use.