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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Int J Geriatr Psychiatry. 2018 Dec 10;34(2):369–377. doi: 10.1002/gps.5039

Table 1.

Parameters of each LED cluster of the PBM device used in the present study.

Model Model 1100; MedX Health, Toronto
Diameter 5.35 cm
Area 22.48 cm2 ((5.35cm ÷ 2)2 × π)
Energy Density 20 J/cm2
Duration 7.5 mins (450 sec)
Power Density 44.4 mW/cm2 (20 J/cm2 ÷ 450 sec)
Total Power 999mW (44.4mW/cm2 × 22.48 cm2)
Total Energy 449.6 J (999mW × 450 sec)