Fitzpatrick tawv tawv hom

Fitzpatrick Kev faib tawm ntawm daim tawv nqaij yog qhov kev faib tawm cov tawv nqaij tawv nqaij ua cov yam ntxwv ntawm cov tshuaj tiv thaiv lossis tanning tom qab lub hnub raug:

Hom I: dawb; ncaj ncees heev; liab lossis daj plaub hau; Qhov muag xiav; quav hnav

Hom II: Dawb; ncaj ncees; liab lossis daj plaub hau, xiav, hazel, lossis ntsuab qhov muag

Hom III: cream xim dawb; ncaj ncees nrog ib lub qhov muag lossis plaub hau xim; muaj ntau heev

Hom IV: xim av; Fab Kis cov neeg tsis muaj txiaj ntsig, Indian / Asian tawv nqaij

Hom V: tsaus xim av, ib nrab hnub sab hnub tuaj

Hom VI: Dub

Feem ntau ntseeg tias European thiab Asmeskas cov neeg tsis tshua muaj melanin cov ntsiab lus nyob rau hauv cov txheej txheem tawv nqaij, thiab cov tawv nqaij yog hom i thiab ii; Cov tawv nqaij daj nyob rau hauv Southeast Asia yog hom III, IV, thiab cov ntsiab lus ntawm Melanin nyob rau hauv daim tawv nqaij yog ib nrab; Cov tawv nqaij African Dub yog Hom V, VI, thiab cov ntsiab lus ntawm Melanin hauv cov txheej hauv qab yog qhov siab heev.

Rau kev kho tawv nqaij laser thiab photon kev kho mob, lub hom phiaj chromophore yog melanin, thiab cov tshuab thiab kho cov tsis tau raug xaiv raws li cov tawv nqaij tawv.

Daim tawv nqaij hom yog ib qho tseem ceeb theoretical hauv paus rau lub algorithm ntawmDaim tawv nqaij analyzerCov. Hauv kev tshawb xav, cov neeg muaj cov tawv nqaij sib txawv yuav tsum tau siv cov algorithms sib txawv thaum kuaj xyuas qhov teeb meem ntawm cov xim tshwm sim los ntawm cov xim sib txawv kom ntau li ntau tau.

Txawm li cas los xij, qhov tam sim noLub ntsej muag daim tawv nqaij tsom xam tshuabNtawm kev ua lag luam muaj qee cov teeb meem kev ua haujlwm rau kev kuaj pom ntawm cov tawv xim dub thiab tsaus xim, vim tias UV teeb tau siv los tshawb xyuas cov xim Eumelanin ntawm daim tawv nqaij. Tsis muaj kev xav txog,Daim tawv nqaij analyzerTsis tuaj yeem ntes lub teeb tsis sib xws, thiab yog li tsis tuaj yeem tshawb pom cov tawv nqaij tawv nqaij.