Two smaller groups 2M to .20 for repetitive testing (20/100, 6/30 to 20/10, 6/3 equiv.).
Memorization can alter testing results and create an inaccurate record for the patient. This near vision chart features multiple groups for repetitive testing help minimize memorization. This helps to create a more accurate and reliable vision chart that yields repeatable results.
There are 5 variations for 2107 (SKUs 2107A-E). No two charts are alike and they are great tools for researchers. Please call or email to order scrambled versions.