Panel 16 Quantitative Color Vision Test - Double Set
The Panel 16 Color Vision Test includes two sets of 16 test caps and 17 restriction rings with one of the caps being a "pilot". The diameter of the stimulus area is 1.3" (3.3 cm), and can be reduced by using dark gray restriction rings with an opening of 0.47" (1.2 cm) in diameter.Acrylic case includes a cloth storage pouch. Travel tube comes with black cloth. Comes with recording forms and instructions.