The Pupils utility shows the pupil size of each eye in real time.


To select the Pupils utility, select the Real-time tab at the top of the control screen and then select Pupils.




This will display the Pupils window as shown below:



This give a real time measurement of pupillary distance (PD), viewing distance (Dist) and the diameter of each pupil.


The screen background can be changed from black to white to elicit a pupillary light reflex.  This can be performed while covering one eye with the IR transparent occluder to test direct and consensual reflexes.