Profile: Keeler Instruments Inc. manufactures ophthalmic instruments. Our instruments combine optical precision, illumination, ergonomic design, and lightweight durable materials. We specialize in the production of low vision aids. Our dental product line comprises of Keeler headband, SuperVu SL loupe, SuperVu XL loupe, lightsource and frames & accessories. The SuperVu XL precision lenses are treated with an anti-reflective coating to produce a superior image, which is ideal for surgeons who require higher magnification.