Stimulus disc for CAT. NO. 2920
Includes finger notches for easy turning
Includes two contrast levels: 10% and 25%
Fits campimeter 2920
This campimeter disc is specially designed for Cat. No. 2920 Damato Campimeter. It features two different contrast levels. 10% and 25% contrast levels are marked for each turn. Wheel turns easily in the campimeter and helps to make testing quick and easy.