US$ 9074.50
pop-up design
it should reestablish equal pressure on the eardrum and help it to drain properly
Available in Child/Adult or Infant sizes
Adult size cuff: 9
Reads SpO2 (0–100%) and Pulse Rate (30–250 bpm)
Colenbrander Reading Card Rx Form pop-up designNear Vision, Standard Contrast (9" x 7") Designed as a simple test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card one adds the question: What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines.