CLT - Certified Light Therapist Practice Test
CLT Photobiology & Light Science 3
What is the optical window of tissue, also called the 'therapeutic window'?
Select your answer
A
600–1100 nm range where light penetrates tissue most effectively
B
200–400 nm range for UV applications
C
The visible spectrum from 380–700 nm
D
Infrared range above 1200 nm
Hint
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