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#ETDRS#Illuminator Cabinets#LED
September 23, 2024

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

    Woodstock, Illinois – Precision Vision, Inc., a world leader in vision testing tools and devices, announces the transition ...

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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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