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effect of blue light ต่อ pigment ใน pt ที่มี melasma vs ปกติ
ดู impact of different dose of blue light irradiation on – pigmentation of skin of non-exposed area in female melasma , III -IV skin
ดู degree of pigmentation , L , ITA value
result – irradiation c different dose of blue light
blue light irradiation 20J/cm2
no significant diffrentce pigmentation score
conclusion – blue light 20j/cm2 , induce smaller change in pigmentation in melasma pt than healthy women , but effect 40-80j/cm2 จะใกล้เคียงกัน
