(under subclass 124) Subject matter wherein the bridge is adjustable as to pupillary distance between the lenses, and/or to the facial characteristics of the wearer.
(1) Note. The bridges may comprise a tubular member and a second member selectively insertable therein, or the bridges may be deformable in order to position the lenses properly before the eyes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
64, and 65+, for adjustable bridges in pince-nez glasses.