Accurate ROM assessment to 1 degree
Faces & numeric pain scale statistically proven to get a more accurate assessment of patients current pain level
Ranges provided for ROM of all body region (save time by not having to look up numbers and give patients instant feedback of the ROM they should have)
Metric & Imperial ruler up to 37 cm / 12 inches
Pupil gage that can be held over the patients eyes for an accurate reading through clear plastic
Pocket sized and portable – effective clinical outcome marker to quantitatively track patient progress over time
 
References
Carrie HL, von Baeyera CL, et. al. (2001). The Faces Pain Scale – Revised: toward a common metric in pediatric pain measurement. Pain. Volume 93, Issue 2, August 2001, Pages 173–183
Giesbrecht K, Craig KD, Bennett S, Huntsman E. (1999). A comparison of faces scales for the measurement of pediatric pain: children’s and parents’ ratings. Pain. 1999;83:25–35
Farrar JT, Young JP Jr, LaMoreaux L, Werth JL & Poole RM (2001) Clinical importance of changes in chronic pain intensity measured on an 11-point numerical pain rating scale. Pain 94, 149–158.
Gallagher EJ, Bijur PE, Latimer C & Silver W (2002) Reliability and validity of a visual analog scale for acute abdominal pain in the ED. American Journal of Emergency Medicine 20, 287–290.
Jamison RN, Gracely RH, Raymond SA, Levine JG, Marino B, Herrmann TJ, Daly M, Fram D & Katz NP (2002) Comparative study of electronic vs. paper VAS ratings: a randomized, crossover trial using healthy volunteers. Pain 99, 341–347.