Molded diffractive optical lenses, filters, and elements for focusing light; micro arrays; coated slides; gene-arrays; plastic lad ware consisting of syringe filters, centrifuge tubes, bioassay dishes, culture dishes, cell culture plates, flasks, culture tubes, sample containers, cylinders, stirrers, caps, cell scrapers, cell lifters, cluster tube systems, vial boxes, racks and trays, micro centrifuge tubes, and storage bottles; laboratory glassware; high density arrays; assay plates; culture vessels; roller bottles; growth chambers; pipettes; ophthalmic products, namely, ophthalmic lenses, lens blanks and eyeglasses