Unyango lokukhanya okubomvu luyasebenza kwaye aluchazwanga kuphela kwizifo zesikhumba kunye nosulelo, kuba oku kunokuba luncedo ngakumbi kwezinye iingxaki ezininzi zempilo. Kubalulekile ukwazi ukuba olu nyango lusekelwe kwimigaqo okanye kwimithetho ethini, kuba oku kuya kwenza wonke umntu asebenze kakuhle, asebenze kwaye afumane iziphumo zonyango lokukhanya okubomvu. Ukukhanya kwe-infrared kusetyenziswa kolu nyango olune-wavelength enkulu kunye nobunzima obukhulu. Kumazwe aseNtshona, oogqirha basebenzisa kakhulu olu nyango ukunyanga iingxaki zokulala, uxinzelelo lwengqondo kunye nezinye izifo. Umgaqo wonyango lokukhanya okubomvu awucaci kangako, kuba wahlukile ngokupheleleyo kwezinye iindlela zonyango zombala ezisetyenziswa emzimbeni womntu.
Umgaqo osekelwe kuwo unyango lokukhanya okubomvu uya kuba namanyathelo athile. Okokuqala, xa imisebe ye-infrared ikhutshwa kumthombo ofanelekileyo, ke le misebe ye-infrared iya kungena nzulu eluswini lomntu ukuya kuthi ga kwi-8 ukuya kwi-10 mm. Okwesibini, le misebe yokukhanya iya kulawula nokuhamba kwegazi kwaye kamva iya kunyanga iindawo ezinesifo ngokukhawuleza. Okwangoku, iiseli zolusu ezonakeleyo ziyabuyiselwa kwaye ziphiliswe ngokupheleleyo. Nangona kunjalo, kunokubakho iziphumo ebezingalindelekanga ezingaqhelekanga nezimbalwa eziqhelekileyo ezinokuthi izigulane zihlangabezane nazo ngexesha leeseshoni zonyango rhoqo. Kusebenza ngakumbi ukunciphisa iintlungu ezibukhali nezingapheliyo, ukudumba kunye nokunganyamezelani kolusu.