Low Vision Visual Acuity Book


  • 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.

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