online catalog and guide to BPI's range of optical dyes, instruments, and chemicals.

produces specialized eyeglass lenses to help people with congenital red-green color deficiency to distinguish colors more easily.

manufactures Ultra-One and other optical lenses.

supplies optical products, specializing in eyewear.

custom optics for commercial, research, and mil-spec applications.

Designs, manufactures, and distributes eyeglass lenses, primarily for the plastic lens segment of the market. Site includes information for optical professionals and consumers.

offer prescription lenses that lighten and darken as the light changes.

makers of plastic optical lenses.

manufacturer of ophthalmic lenses for the eyeglass industry.