Keeler Ltd., founded in 1917 in London, is a renowned manufacturer of ophthalmic instruments and diagnostic devices. With over a century of expertise, Keeler designs and produces precision tools including ophthalmoscopes, retinoscopes, slit lamps, and surgical loupes. Trusted by eye‑care professionals worldwide, Keeler combines innovation, craftsmanship, and reliability to deliver advanced solutions that improve patient outcomes and support the highest standards of ophthalmology and optometry.