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Introduction to Visual Acuity Measurement
#Colenbrander#Low Contrast#Low Vision#Reading#Visual Acuity
May 23, 2025

Introduction to Visual Acuity Measurement

by August Colenbrander, MD – San Francisco Since the 1970’s Precision Vision has built a reputation of producing the most ...

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Image of ETDRS Illuminator cabinet and charts.
#Clinical Trial
October 7, 2021

What is ETDRS®?

Early Treatment Diabetic Retinopathy Study ETDRS® stands for Early Treatment of Diabetic Retinopathy Study.  The first ETDRS® trial was a multisite, ...
Archive
March 25, 2020

Action Plan In Turbulent Times

In these stressful and turbulent times, we are reaching out to you to inform you  that Precision Vision is taking ...
Bailey-Lovie Reading Charts
#Bailey#Reading
February 25, 2020

Bailey-Lovie Reading Charts

This new set of Bailey-Lovie Reading Charts follow the design principles from the original Bailey-Lovie!  Words and sentences designed so ...
Archive

The Moorfields Acuity Chart (MAC) Set

Two different letter charts (MAC 1 for the right eye and MAC 2 for the left eye).  High-pass filtered letter ...
Archive
September 10, 2019

BRVT and IReST Reduced Pricing!

Effective Immediately Reduced Pricing On: The Berkeley Rudimentary Vision Test (BRVT Item #4500) and International Reading Speed Texts (IReST Item ...
#Counterfeit
May 9, 2019

Protect Yourself from Counterfeit Vision Tests & Devices:

What & Why Is This Happening? Precision Vision, Inc as well as other vision testing manufacturers have recently found companies ...
#Retina
October 9, 2018

Zhang Ring Test™ for Early Diagnosis of Retinal Detachment

Fuxiang Zhang. MD The Institutional Review Board of Henry Ford Health System approved a clinical trial. Seven retinal detachment cases ...