Vision Testing Systems in Connecticut

Eschenbach Optik of America, Inc. (EOA) is the North American subsidiary of Eschenbach Optik GmbH, a German optical manufacturer founded in 1913. EOA specializes in magnification solutions and vision-enhancing products for individuals with low vision and visual impairments. The company manufactures and distributes a comprehensive range of optical aids including handheld and stand magnifiers, digital video magnifiers, reading glasses, spectacle-mounted magnifiers, absorptive filters, monocular telescopes, binoculars, and task lighting systems. Products are designed to improve independence and quality of life by enabling visually impaired individuals to perform daily activities such as reading, watching television, and viewing outdoor events. EOA serves low vision care professionals, optometrists, and ophthalmologists across North America, Mexico, and Latin America through direct sales, professional training, and a network of territory managers and affiliates.

Blackstone Industries is a holding company uniting six specialized manufacturing and distribution brands serving artisans, professionals, and industrial sectors. Handler Manufacturing supplies dental lab equipment including Red Wing lathes, polishing machines, dust collection systems, and lab design services used across dental, jewelry, podiatry, and technical industries. Star Struck LLC is a major jewelry distributor offering precision instruments including gold testers, jewelry gauges, microscopes, magnifiers, diamond scales, ultrasonic cleaners, and steam cleaners. Foredom Electric manufactures flexible shaft rotary power tools for grinding, deburring, sanding, polishing, and carving applications. Olson Saw Company produces commercial-grade band saw and scroll saw blades. Zona Tool makes precision hand tools including razor saws, miter boxes, and specialized instruments for model building and fine craftsmanship. The Edge Finisher Company manufactures plastic edge-polishing machinery and Shannon plastic bending machines. Collectively, Blackstone serves dental professionals, jewelers, woodworkers, craftspeople, and industrial fabricators with precision tools and equipment.

Coburn Technologies, Inc. is a global manufacturer and distributor of ophthalmic lens processing systems, diagnostic equipment, and consumables with over 70 years of industry experience. The company designs, manufactures, and services integrated computer-controlled equipment spanning all phases of optical lens production: surfacing (grinding and shaping lens blanks), coating (hard coatings and anti-reflective treatments), and finishing (edging and polishing). Product lines include digital lens generators (Cobalt, NEXUS), polishers, coaters (Velocity series), lens edgers (HPE series), and debris/alloy recovery systems. Coburn also offers ophthalmic diagnostic instruments manufactured under the Huvitz brand, including autorefractors/keratometers, digital lensmeters, refractors, slit lamps, topographers, tonometers, retinal cameras, visual acuity systems, and vision screeners. Lab management and lens design software (RXPro, Novar) support workflow optimization. The company manufactures consumables and coatings domestically from its U.S. headquarters. Markets served include independent optical labs, retail eyecare practices, and multi-location chains globally. Coburn emphasizes customer service across all equipment lines and provides both standard and custom lens processing lab solutions.