Yintoni ukukhanya okuluhlaza okwesibhakabhaka?
Ukukhanya okuluhlaza okwesibhakabhaka kuchazwa njengokukhanya ngaphakathi kobubanzi bobude be-400-480 nm. Oku kungenxa yokuba ngaphezulu kwe-88% yomngcipheko wokonakala kwe-photo-oxidative kwi-retina evela kwizibane ze-fluorescent (ezimhlophe ezipholileyo okanye "i-spectrum ebanzi") kungenxa yobude bokukhanya obuphakathi kwe-400-480 nm. Ingozi yokukhanya okuluhlaza okwesibhakabhaka iphezulu kwi-440 nm, kwaye yehla ukuya kwi-80% yencopho yayo ephezulu kwi-460 kunye ne-415 nm. Kwelinye icala, ukukhanya okuluhlaza kwi-500 nm akunabungozi kangako kwi-retina kunokukhanya okuluhlaza kwi-440 nm.
Yintoni eyenziwa lunyango lokukhanya okuluhlaza okwesibhakabhaka emzimbeni?
Unyango lokukhanya okuluhlaza okwesibhakabhaka lusebenzisa ukukhanya okunamaza athile okukhanya, ukusuka kwi-400 ukuya kwi-500 nanometers. Lunyanga iintlobo ngeentlobo zeengxaki zolusu ngesixhobo sonyango lokukhanya esikhupha ukukhanya okuluhlaza okwesibhakabhaka.
Ezinye iiseli emzimbeni zinovelwano kakhulu kukukhanya okuluhlaza okwesibhakabhaka. Oku kuquka iintlobo ezithile zeebhaktheriya, ezifana nezo zibangela i-acne, kwaneeseli zomhlaza.
Ukukhanya okuluhlaza okwesibhakabhaka kufutshane kakhulu, ngoko ke akungeni nzulu eluswini, nto leyo eyenza kube luncedo kakhulu ekunyangeni amaqhakuva, ukudumba, kunye nezinye iingxaki zesikhumba.
Unyango lokukhanya okuluhlaza okwesibhakabhaka lusebenza kakhulu xa lusetyenziswa kunye nonyango lokukhanya okubomvu.
Unyango lokukhanya okuluhlaza okwesibhakabhaka lwaseMerican: ubude obuyi-480 nm Unyango lokukhanya okuluhlaza okwesibhakabhaka lolunye uhlobo lonyango lokukhanya oluye lwaziwa ngokukhawuleza ngezinye zeenzuzo zalo ezimangalisayo, ingakumbi xa lusetyenziswa kunye nonyango lokukhanya okubomvu kunye ne-NIR.
Ingalungisa umonakalo welanga kwaye incede ekunyangeni izilonda ezingaphambi komhlaza. Ukukhanya okuluhlaza okwesibhakabhaka okusetyenziswa ne-agent ebangela umhlaza kuye kwafunyaniswa ukuba kusebenza kakuhle ekunyangeni i-actinic keratoses okanye izilonda ezingaphambi komhlaza ezibangelwa kukonakala kwelanga. Ukunyanga isilonda se-actinic keratosis nganye kunokuthintela umhlaza wesikhumba. Olu nyango lujolise kuphela kwiiseli ezinesifo, kwaye alunampembelelo ingako kwizicubu ezijikelezileyo.
Unyango olukhanyayo oluluhlaza ngoku lukhetho oludumileyo lokhathalelo lolusu lwe-acne oluncinci ukuya koluphakathi. Iibhaktheriya ezibangela i-acne (Propionibacterium acnes) ziyasabela ekukhanyeni.