Diopsys, 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.
VectorVision Ocular Health (DBA: VectorVision)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.GREENVILLE, OH
LKC Technologies, IncFounded as LKC Systems in 1975, LKC Technologies develops visual electrophysiology equipment that measures retinal and visual-pathway function for clinical care and research. The Germantown company is best known for its RETeval handheld ERG/VEP device, introduced in 2013 and installed in more than 3,000 sites worldwide, along with its patented non-invasive Sensor Strip electrodes. LKC is an ISO 13485:2016 and MDSAP-certified, FDA-registered medical-device manufacturer.GAITHERSBURG, 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
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