Kuyini ukukhanya okuluhlaza okwesibhakabhaka?
Ukukhanya okuluhlaza okwesibhakabhaka kuchazwa njengokukhanya okungaphakathi kwebanga lobude be-wavelength obungu-400-480 nm. Lokhu kungenxa yokuthi ingozi engaphezu kuka-88% yokulimala kwe-photo-oxidative ku-retina okuvela ezibanini ze-fluorescent (ezimhlophe ezipholile noma "i-broad spectrum") ibangelwa ubude be-wavelengths obuphakathi kuka-400-480 nm. Ingozi yokukhanya okuluhlaza okwesibhakabhaka iphezulu kakhulu ku-440 nm, futhi yehla yaya ku-80% wephuzu layo eliphakeme kakhulu ku-460 kanye no-415 nm. Ngakolunye uhlangothi, ukukhanya okuluhlaza ku-500 nm akunangozi kangako ku-retina kunokukhanya okuluhlaza okwesibhakabhaka ku-440 nm.
Ukwelashwa ngokukhanya okuluhlaza okwesibhakabhaka kukwenzelani umzimba?
Ukwelashwa ngokukhanya okuluhlaza okwesibhakabhaka kusebenzisa ukukhanya okunama-wavelength athile, kusukela kuma-nanometer angu-400 kuya kwangu-500. Kwelapha izifo zesikhumba ezahlukahlukene ngedivayisi yokwelapha ngokukhanya ekhipha ukukhanya okuluhlaza okwesibhakabhaka.
Amanye amangqamuzana emzimbeni azwela kakhulu ekukhanyeni okuluhlaza okwesibhakabhaka. Lokhu kufaka phakathi izinhlobo ezithile zamagciwane, njengalawo abangela induna, ngisho namangqamuzana omdlavuza.
Ukukhanya okuluhlaza okwesibhakabhaka kufushane kakhulu, ngakho akungeni shí esikhumbeni, okwenza kube usizo kakhulu ekwelapheni izinduna, ukuvuvukala, nezinye izimo zesikhumba.
Ukwelashwa ngokukhanya okuluhlaza okwesibhakabhaka nakho kusebenza kahle kakhulu uma kusetshenziswa nokwelashwa ngokukhanya okubomvu.
Ukwelashwa Kokukhanya Okuluhlaza okwesibhakabhaka eMerican: ubude obungu-480 nm Ukwelashwa kokukhanya okuluhlaza okwesibhakabhaka uhlobo olulodwa lokwelashwa kokukhanya olusheshe lwaziwe ngezinye zezinzuzo zalo ezimangalisayo, ikakhulukazi uma lusetshenziswa nokwelashwa kokukhanya okubomvu kanye ne-NIR.
Kungalungisa umonakalo welanga futhi kusize ekwelapheni izilonda ezingaphambi komdlavuza. Ukukhanya okuluhlaza okwesibhakabhaka okusetshenziswa ne-ejenti ebangela ukukhanya kwelanga kutholakale ukuthi kusebenza kahle ekwelapheni i-actinic keratoses noma izilonda ezingaphambi komdlavuza ezibangelwa umonakalo welanga. Ukwelapha isilonda se-actinic keratosis ngasinye kungavimbela umdlavuza wesikhumba. Lokhu kwelashwa kuhlose kuphela amangqamuzana anesifo, kube nomthelela omncane ezicutshini ezizungezile.
Ukwelashwa kokukhanya okuluhlaza okwesibhakabhaka manje kuyindlela ethandwayo yokunakekelwa kwesikhumba yama-acne aphansi kuya kwaphakathi. Amabhaktheriya abangela ama-acne (Propionibacterium acnes) ayazwela ekukhanyeni.