This class corresponds generally in subject matter to optometry,and includes eye examining and vision testing instruments. Theseinstruments must include some optical structure or they must operatein conjunction with the optical or vision path of the eye. Includedalso are these instruments combined with eye exercising and/ortraining devices. Included also are certain accessories such astest charts and/or targets which may involve projection,illuminators and supports which are peculiar to these instruments.Included also are methods of operating or using these instrumentsand not generally classifiable.
Included also are spectacles and eyeglasses, which may includethe frames or mountings, per se, or the frames or mountings withfitted opthalmic lenses. Included also are spectacles and eyeglassescombined with other structural elements when not otherwise classifiable, suchas spectacles combined with holders for microphotographs, telescopesor face protecting masks.
Included also are perfecting features with these spectaclesand eyeglasses such as antiglare or light absorption, rear viewreflectors, decorations moisture prevention or absorption, and supportsor holders. Included also are parts of spectacles and eyeglasseswhen not otherwise classifiable, such as temples, bridges, connectors,lens linings or rims, and nose pads or cushions.
Included also are opthalmic lenses or blanks, including theeye-contact type. Included also are perfecting features in theselenses such as with light filtering or with protecting layers. Includedalso are methods of making the spectacles and eyeglasses and theopthalmic lenses. Included also are lens repair devices.