Colenbrander Reading Card Rx Form it should reestablish equal pressure

it should reestablish equal pressure on the eardrum and help it to drain properly

Reads SpO2 (0–100%) and Pulse Rate (30–250 bpm)

Pseudoephedrine-free relief of sinus pressures associated with allergies

Available in Child/Adult or Infant sizes

and Remarks area

Colenbrander Reading Card Rx Form it should reestablish equal pressureNear 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.