Discover our complete suite of visual function test systems
Preclinical
Celeris, our flagship preclinical system, revolutionizes rodent testing with dual function stimulator-electrodes. We also offer electroretinography (ERG) solutions for other small to large animals.
Clinical
We offer four broad categories of visual function tests—visual electrophysiology, visual psychophysical, objective acuity, and pupillometry, providing a complete picture of a person’s visual function.
Trial Services
Our trial services include study setup assistance, training, and data review. These trial services enable sites to gather consistent, quality data across multiple locations worldwide.
Supporting researchers and clinicians worldwide for more than forty years
Three reasons to partner with the premier manufacturer of visual electrophysiology systems
Expertise
We design all our hardware and software in-house to our and our customers’ exact specifications.
Technology
Our patented and trademarked platforms span the range from preclinical to clinical use, providing researchers and clinicians with products that have the broadest use and capability in the market.
Network
Our longstanding relationships within the electrophysiology community allow us to cross the bridge from academic labs into patient clinics, enabling easier collaboration between institutions.
Stay up to date with our latest news
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Espion V7 Feature Preview Highlight: Post Hoc Filters
Visual electrophysiology recordings capture signals that span only a few hundred microvolts, making a high signal-to-noise ratio crucial for accurate assessment. Since these signals are so small, minimizing noise in the testing environment is essential.…
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The One-minute Toxicity Screening Visual Electrophysiology Test
As an improvement on the standard 61-hexagon multifocal electroretinography (mfERG) test, the ring ERG (rERG) method could shorten toxicity screening tests from over 5 minutes to around 1 minute, significantly reducing test burden. This new…
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Visual Electrophysiology in Microgravity
Featured image: Astronaut Steve Bowen wearing DTL electrodes while performing an electroretinography (ERG) test in microgravity on the International Space Station. Courtesy of NASA. The study of Spaceflight Associated Neuro-Ocular Syndrome (SANS) represents a new…
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04May
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16May
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30May
