Zvidzidzo zvenguva pfupi yapfuura zvakakwevera kutarisa kune kubatana pakati pekuratidzwa kune ultraviolet (UV) mwaranzi uye kukura kwepigmentation kusagadzikana paganda. Vatsvakurudzi vagara vachiziva kuti mwaranzi yeUV inobva kuzuva inogona kukonzera kupisa kwezuva uye kuwedzera ngozi yegomarara reganda. Zvisinei, humwe uchapupu huri kuramba huchiwedzera hunoratidza kuti mwaranzi iyi inogonawo kukonzera kuberekana kwakanyanya kwe melanin, pigment inopa ganda ruvara rwaro, zvichiita kuti pave nemavara matema kana kuti zvigamba paganda.
Imwe yakajairika pigmentation disorder inofungidzirwa kuti yakabatana neUV kuratidzwa ndeye melasma, inozivikanwawo sechloasma. Ichi chimiro chinoratidzwa nekugadzirwa kwemavara ebrown kana greyish pachiso, kazhinji mune symmetrical pattern, uye inowanzoonekwa muvakadzi. Kunyange zvazvo chikonzero chaicho che<em>melasma chisingazivikanwi, vatsvakurudzi vanodavira kuti ma<em>hormone, majini, uye mwaranzi yeUV zvose zviri kukonzera.
Imwe nzira yepigmentation disorder inobatanidzwa neUV exposure is post-inflammatory hyperpigmentation (PIH). Izvi zvinoitika kana ganda rinopisa, senge muchiitiko cheacne kana eczema, uye melanocytes munzvimbo yakakanganiswa inoburitsa yakawandisa melanin. Nekuda kweizvozvo, zvigamba zvisina ruvara kana mavara anogona kuramba ari paganda mushure mekuzvimba kwadzikira.
Hukama huripo pakati pemwaranzi yeUV uye kukanganiswa kwemavara eruvara kunosimbisa kukosha kwekudzivirira ganda kubva kumwaranzi inokuvadza yezuva. Izvi zvinogona kuitwa nekupfeka zvipfeko zvinodzivirira, zvakadai sehembe neheti dzemaoko marefu, uye kushandisa sunscreen ine SPF inenge 30. Zvinokoshawo kuti usapinda muzuva kwenguva refu, kunyanya panguva dzepamusoro apo UV index high.
Kune avo vanotova nepigmentation disorder, kune marapirwo aripo anogona kubatsira kuderedza kutaridzika kwemavara matema kana zvigamba. Izvi zvinosanganisira topical creams ane zvinhu zvakadai sehydroquinone kana retinoids, kemikari peels, uye laser therapy. Zvisinei, zvakakosha kushanda nedermatologist kuti uone nzira yakanakisisa yekurapa, sezvo mamwe marapirwo angave asina kukodzera kune mamwe marudzi eganda kana kuti anogona kukonzera migumisiro yakaipa.
Nepo hukama huripo pakati pemwaranzi yeUV nekukanganisika kwe pigmentation hunogona kunge hune chekuita, zvakakosha kuyeuka kuti hadzisi dzese mafomu epigmentation anokuvadza kana kuratidza nyaya yakakura yehutano. Semuyenzaniso, ma<em>freckles, ari masumbu e<em>melanin anooneka paganda, kazhinji haakuvadzi uye haadi kurapwa.
Mukupedzisa, kubatana pakati pe UV mwaranzi uyepigmentation disordersinosimbisa kukosha kwekudzivirira ganda kubva pamwaranzi inokuvadza yezuva. Nekutora matanho akareruka sekupfeka zvipfeko zvinodzivirira uye kushandisa sunscreen, vanhu vanogona kubatsira kuderedza njodzi yavo yekuva nechirwere chepigmentation nezvimwe zvine chekuita neganda nyaya. Kana kunetseka kuchimuka, zvakakosha kuonana nedermatologist kuti uone nzira yakanaka yekurapa.
Nguva yekutumira: Kubvumbi-26-2023
