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March 4, 2025

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

  February 27, 2025 Precision Vision’s ETDRS® Illuminator Cabinet – The international gold standard for clinical trials and vision research ...

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Articles

#Snellen
March 21, 2014

Measuring Snellen Visual Acuity

Measuring Snellen Visual Acuity Snellen designed his optotypes on a 5×5 grid, on which the line thickness is one unit and the ...
#Snellen

Snellen Eye Chart – a Description and Explanation

Snellen Eye Chart Snapshot What Dr. Herman Snellen did for the field of vision testing is comparable to what the ...
Introduction to Visual Acuity Measurement
#Colenbrander#Low Contrast#Low Vision#Reading#Visual Acuity
March 20, 2014

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 ...
#Jaeger
March 10, 2014

The Jaeger Notation Debate

To Jaeger or Not to Jaeger, That is the Question When Jaeger published his notation print samples in 1856 little ...
#Color Vision
July 23, 2004

Clinical Colour Vision Tests

Abstract The structure and function of the available and significant clinical colour vision tests are reviewed in the light of ...