Electronic version of Faces Pain Scale. Electronic version of Faces Pain Scale - Revised, using PDA, Palm Zire 71™. Instructions and procedure are in text. The PDA screen measures 55 × 55 mm. The image of the face measures 35 × 25 mm. Faces Pain Scale - Revised: copyright ©2001, International Association for the Study of Pain, reproduced with permission. Palm® software: Copyright ©2004.