Adult Distance Vision Viewer is a proportionally spaced acuity card for the the Self Illuminated Viewer. It primarily tests distance vision by identifying the different numbers and/or letters from 10ft/3m away. It is illuminated by the light located in the self-illuminating cabinet. Individual cards are available in LEA NUMBERS® or Sloan Letters optotypes. Line sizes range from 20/63 to 20/20 (6/19 to 6/6) equivalent.

Testing distance is 10'/3m. Cards measure 6" x 4" (15.3 x 10.2 cm), screen printed and clear coated for long durability.