(under subclass 44) Subject matter, wherein antiglare spectacles are provided with lenses having combined a clear-glass section and a section or sections of different light absorption, the latter covering only a part of the field of sight, so that without imparting the general vision the eyes may be screened from an undesirable light source by a slight movement of the head.
SEE OR SEARCH THIS CLASS, SUBCLASS:
49, for eye protection devices utilizing polarizing lenses.