Founded by vision scientist David W. Evans, Ph.D., VectorVision makes standardized vision-testing instruments for measuring visual function in eye-care practices and clinical research. Based in Greenville, Ohio, the company has spent 30 years developing patented systems such as the CSV-1000, CSV-2000 and ESV-3000, which automatically control testing luminance for consistent results. Its equipment is used in more than 60 countries, 5,000 eye-care clinics and more than 50 FDA clinical trials.
Titmus, LLCSince introducing its OV7 vision screener in 1959, Titmus, LLC has manufactured vision-screening instruments in the USA, including its durable stereoscopic V Series and the tablet-controlled Kaleidos autorefractive screener. Its instruments serve settings ranging from schools and pediatric offices to occupational, aeromedical, and driver testing, with the Kaleidos completing a screening in about three seconds. Titmus says older OV7 and Model 2 screeners remain in use nationwide.FULTON, MD
Accommodata CorporationSince 1994, Accommodata Corporation has made Stimuli computerized vision-testing systems for doctors worldwide. The company is particularly distinctive for its pediatric systems, which use a second operator-facing monitor to help clinicians keep young patients engaged without turning away, and it continues to support Stimuli models across its 30-year history with updates and technical assistance.EUCLID, OH
Reichert, IncWith a 185-year history in Buffalo, Reichert designs and manufactures diagnostic instruments that help eye-care professionals test vision and identify conditions such as glaucoma. Now a business of AMETEK, the company continues that tradition from its 83,000-square-foot Depew facility, where it makes technologies including the Phoroptor and Tono-Pen. Reichert’s medical-device operation is ISO 13485:2016 and MDSAP certified and distributes through more than 150 distributors worldwide.DEPEW, NY
Diopsys, IncDiopsys, Inc. develops the NOVA™ Vision Testing System, an in-office electrophysiology platform that measures functional activity across the visual and neuro-visual pathways. Based in Middletown, Pennsylvania, the company’s systems provide objective ERG and VEP testing to help clinicians detect disease earlier, monitor retinal function, and inform treatment decisions.MIDDLETOWN, PA