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Low Vision Visual Acuity Book Utilizing PV Number, Testing at 3 Meters (10 Feet), Feinbloom Chart

KWD 49.500
KWD 53.500
Brand
Generic
Weight
476 g
– 1 +

Special Features

  • Original Feinbloom arrangement 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.

Description

William Feinbloom , O.D., PH.D. is a registered trademark of Designs for Vision, Inc. and is used with their permission.

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