Minimal Erythema Dose of UV-B in Normal Population of Taiwan
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There is no previous study on the minimal erythema dose of UVB irradiation in Chinese people. We will investigate the correlation of skin phototype, constitutive skin color, facultative skin color and minimal erythema dose in Taiwanese.
Condition or disease
The skin phototype will be obtained from a structuralized questionaire. The constitutive skin color and facultative skin color will be obtained by chromameter. The minimal erythema dose will be obtained by physician's assessment.
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Ages Eligible for Study:
10 Years to 65 Years (Child, Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
10-65 years old normal healthy volunteers
Age under 10 years old or older than 65 years old People with a past history of photo-sensitivity People who had been treated with phototherapy