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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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IReST’s Latest Greek Addition

FIRST LOOK

IReST’s Latest Greek Addition

A valuable test for clinical practice and research, which is also a powerful tool for comparisons of multiple languages for international studies of reading performance!

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IN THE NEWS

Assessing Variability in Reading Performance with the New Greek Standardized Reading Speed Texts (IReST)

-Gleni A, Ktistakis E, Tsilimbaris MK, Simos P, Trauzettel-Klosinski S, Plainis S (2019)

This article evaluates the standardized Greek version of the International Reading Speed Texts (IReST) set, which enriches interlanguage comparisons and international clinical studies of reading performance. Moreover, it investigates how specific textual and subject-related characteristics modulate the variability of reading speed across texts and readers.

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PRODUCT PROFILE

22 Different Languages Available!

Currently Precision Vision, Inc. manufactures a variety of reading speed and reading acuity charts including Radner, MNRead, IReST, and Colenbrander Charts. These charts account for our library of twenty-two (22) different languages including: English, Spanish, Hispanic, Brazilian/Portuguese, German, Greek, Dutch, Danish, Finnish, Swedish, Italian, French, Arabic, Chinese, Russian, Hebrew, Polish, Japanese, Slovenian, Turkish, Norwegian, and Tagalog.

Browse through our highly standardized multilingual reading tests that are developed for clinical practice and research.

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ASK PRECISION VISION

Q: What is the process for translating & validating the language charts?

A: All language sentence optotypes have been developed according to the concept of the chart. Each individual language is developed with a University together with linguists, psychologists, statisticians and physicists.

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