Listed within the Ophthalmic Bulb Categories below, are the bulbs (lamps) regularly requested to fit most manufacturer's ophthalmic instruments. Western Ophthalmics provides bulbs for; American Optical (AO), Bausch & Lomb (B&L), Burton, Frigitronics, Haag-Streit, Heine, Humphrey, Inami, Keeler, Kowa, Marco, Mentor, Neitz, Nikon, Optec, Propper, Reichert, Topcon, Welch Allyn, Woodlyn, and Zeiss instruments. However, Western Ophthalmics supplies many more bulbs yet to be listed.