Light biology Flashcards
1
Q
What is the latent period before appearance of erythema due to UV?
A
2 to 4 hours
2
Q
What is the latent period before maximum effect of erythema due to UV?
A
8 to 24 hours
3
Q
What is the Minimum Erythemal Dose (MED)?
A
UV dose that gives just perceptible erythema
4
Q
Name three pathologies associated with UV exposure
A
erythema
photokeratitis (temporarily inflamed cornea)
cateracts (cloudy lens)