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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 ...

Feinbloom Flip-Book Chart


Feinbloom Low Vision Visual Acuity Book

 

  • Modified by using PVNumbers® and a logarithmic progression from 20/1000 to 20/20
  • Uniform rows of 5 numbers each from 20/100 to 20/20
  • Notations are given in feet and M units with equivalent Snellen fractions for a 10 foot test distance.

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