16 directories, magazines and brochures in the fields of optometry and ophthalmology including a periodic directory containing pricing and specifications of eyeglass frames, lenses and other eyeglass components (diagrams of the precise lens shape); colors and materials used to make various components of eyewear; special uses; eyewear manufacturers, importers and fashion designers; national and regional distributors, national and local wholesalers of eyewear and eyewear components and their addresses; and information relating to events in the eyewear industry; and product guides containing information relative to ophthalmic instruments, equipment, lasers, and chemicals used in the surfacing and refinishing of eyewear components, for use by optometrists, ophthalmologists and optometric professionals