Precision Vision - FloodGate Medical

The Gold Standard in Vision Testing.

About Us

For over 50 years, Precision Vision has earned the trust of eye care professionals worldwide. With our expertise in production, research, and development, we have become the gold standard for creating the highest-quality vision testing devices in the industry. We are dedicated to providing excellence and pushing the industry forward so our customers can continue improving lives.

Since our company began, we have worked alongside other eye care pioneers to advance the industry and create some of the world’s most recognized testing devices. As a result, we have been a proud part of some truly historic moments in vision testing. Our ETDRS Illuminator Cabinet and ETDRS charts were used in the very first ETDRS clinical trial. Decades later, we continue to be the standard for such testing products today.

We manufacture equipment for researchers, clinicians, and eye care professionals in every major country and have printed vision tests in seventeen different languages. We are constantly striving to advance as the needs of our customers, and our industry, grow. Each of our products is manufactured in-house at our Woodstock, Illinois warehouse to ensure consistent quality, and is designed to provide the most accurate results possible.

Look at the Leaders of Precision Vision, Inc.

Ed Kopidlansky

President & CEO

Jack Johnsey

Chief Operating Officer

Jessica Kopidlansky

Head of Sales and Business Development

Featured Services and Innovations

ETDRS® Illuminator Cabinet™ and ETDRS® Charts

Precision Vision’s ETDRS® Illuminator Cabinet™ and ETDRS® Charts have been ranked #1 worldwide since they were first developed for the original ETDRS® study in the 1980s. Precision Vision’s commitment to quality, repeatability and reliability has made their ETDRS® Illuminator Cabinet™ and Charts the most trusted and universally accepted for use in clinics, vision research and clinical trials.

Visual Accuity and Reading Charts

Precision Vision’s Visual Acuity and Reading Charts are designed with the same exacting standards that set the benchmark for global vision testing. Built for accuracy, repeatability, and ease of use, these charts are trusted by clinicians and researchers worldwide to assess functional vision in real-world settings. From standardized optotypes to near vision reading materials, Precision Vision ensures unmatched consistency across every chart, making them the gold standard for clinical practice, research, and clinical trials.

Contrast Sensitivity Test

Precision Vision’s Contrast Sensitivity Tests deliver reliable, repeatable measurements of visual performance beyond standard acuity. Recognized as a critical tool for evaluating visual function in everyday environments, these tests are used globally in clinics, research, and clinical studies. With precise calibration and proven accuracy, Precision Vision’s Contrast Sensitivity Tests remain the most trusted choice for assessing the subtle aspects of vision that impact quality of life.

Company Spotlight Video

News and Stories

Precision Vision ETDRS® Illuminator Cabinet Guide for Clinical Trials and Vision Research

March 4, 2025 — This article provides a comprehensive overview of the evolution of the Precision Vision ETDRS® Illuminator Cabinet, highlighting key updates and improvements over time. As the most trusted workhorse in clinical trials and vision research, our equipment has undergone significant advancements over the last 40 years, evolving to meet or exceed industry standards.

Additionally, we offer our manufacturer recommendations for which versions are considered acceptable for use today and in future trials. Our goal is to ensure researchers and practitioners can make informed decisions moving forward.

Precision Vision Announces Transition to LED Bulbs in New ETDRS® Illuminator Cabinets (2425Ev4)

September 23, 2024 — Woodstock, Illinois – Precision Vision, Inc., a world leader in vision testing tools and devices, announces the transition from fluorescent bulbs to energy-efficient LED bulbs in its traditional ETDRS® Illuminator Cabinets in response to the European Union’s Ecodesign Directive and the U.S. Department of Energy’s fluorescent lighting bans. This change ensures continued high-quality performance, reliability, and regulatory compliance globally for clinical trials and research.

What is Stereo Vision Screening and What Are the Different Types of Stereo Vision Tests?

June 27, 2022 — Also commonly referred to as stereopsis, stereo vision, depth perception testing, or stereoscopic vision, these all require some explanation. Stereoscopic depth perception is one of the key advantages of binocular vision. It is achieved by calculating horizontal binocular retinal disparity along with estimates of arc and distance. Loss of depth perception is associated with deficits in performance of certain motor skills and leads to self-reported problems that lower the vision- related quality of life. Stereoscopic depth perception relies upon high-quality retinal images of the two eyes that are then matched to each other, to obtain high-fidelity estimates of binocular disparity. Thus, stereoacuity is intimately related to optical quality, as determined by optical wavefront aberrations of the two eyes.

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