• This translucent eye chart uses Sloan optotypes for accurate testing. Each optotype has been calibrated for size, difficulty, threshold blur, and dimension. Each line is arranged equally.
  • This eye test also includes two smaller groups for repetitive testing without memorization. - Two smaller groups 10/20 to 10/8 for repetitive eyesight testing (20/40 to 20/16 equiv.)
  • Can be wall-mounted.