Articles

Zhang Ring Test™ Validation Across Retinal Pathologies

current 09/01 Clinical Validation of the Zhang Ring Test™ Correlation of Zhang Ring Test™ Findings With Clinical Diagnoses and Visual Field Defects — Dr. Fuxiang Zhang, MD The clinical stud...

Teller Acuity Cards®: A Guide to Infant and Nonverbal Vision Testing

Teller Acuity Cards® use preferential looking to estimate visual acuity in infants and nonverbal patients — no letters, no verbal responses. Here is how the test works, who it is for, and why it re...

The Risks of Buying Low Quality Equipment

Data Integrity in Clinical Trials Why Standardization, Calibration, and Equipment Accuracy Control Study Outcomes In this article, we want to highlight our concerns about the use of low-quali...

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

Q1 | 2025 Precision Vision ETDRS® Illuminator Cabinet History & Future Outlook A Comprehensive Guide for Clinical Trials and Vision Research Precision Vision’s ETDRS® Illuminator Cabine...

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

Precision Vision Transitions ETDRS® Illuminator Cabinets to LED Technology Ensuring regulatory compliance, improved performance, and long-term reliability for clinical trials worldwide. Preci...

Don't You Want To Go?

Join Us In Our Home State AAO 2022 Annual Meeting McCormick Place, Chicago, Illinois Friday, Sept. 30 – Monday, Oct. 3 Booth 2911 Visit Precision Vision at Booth 2911 Chat with our sp...

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

Stereo Depth Perception Testing An Effective, Easy-to-Use Method for Screening Stereoscopic Vision Defects Across All Ages Stereo depth perception tests are an exceptionally efficient method of ...

Get REAL

Say Yes to Patient Safety! Protecting Clinical Accuracy and Professional Reputations Against Defective Counterfeits Once viewed as a “victimless crime”, counterfeiting is a malicious act fuele...

What is Visual Acuity?

Visual Acuity Measurement Understanding Clarity, Historical Evolution, and Clinical Optotypes Visual acuity refers to the clarity or clearness of the vision, a measure of how well a person see...