TABLE 2.
Representative examples of cross-polarization (upper) and erythema index (lower) images used to evaluate the treatment efficacy of acne vulgaris as a function of time
Before treatment | 6 h after treatment | 24 h after treatment | 48 h after treatment | |
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Positive result |
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Acne without pustule (Volunteer B) | ||||
Cross-polarization image | ||||
Erythema index image | ||||
Acne without pustule (Volunteer K) |
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Cross-polarization image | ||||
Erythema index image | ||||
Acne with pustule (Volunteer G) |
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Cross-polarization image | ||||
Erythema index image | ||||
Negative result |
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Acne without pustule (Volunteer M) | ||||
Cross-polarization image | ||||
Erythema index image |