Siqinisekisa yonke imveliso egqityiweyo ekumgangatho ophezulu kumthengi wethu kwaye sinikezela ngenkonzo epheleleyo, enenkathalo emva kokuthengisa.
Iiglasi zekhompyuter zinokubizwa ngokuba ziiglasi ezibhlowu zokuthintela ukukhanya kuba zombini zisetyenziselwa ukubhloka okanye ukuhluza ukukhanya okuluhlaza, ukuphelisa ubunzima bamehlo, kwaye zikuncede ulale ngcono.Nangona kunjalo, iiglasi zekhompyuter zinokufunxa ukukhanya okuluhlaza okuncinci kuneeglasi ezibhlowu ezibhlowu okanye zinokubangela ukufiphala kumgama ongaphezulu wokujonga kuba ziyilelwe ukujonga kufutshane.Ke ngoko, ukuba unxibe iiglasi, iiglasi zokuthintela ukukhanya eziluhlaza zezona ndlela zikhethwayo zokuzikhusela.
Uphononongo lubonisa ukuba ukuvezwa ngokugqithisileyo kukukhanya okuluhlaza ngenxa yokusetyenziswa kweendaba zesikrini kunokuvelisa ubunzima bamehlo edijithali, intloko ebuhlungu, kunye nokusilela kobuthongo obunzulu ebantwaneni.Yiyo loo nto kubaluleke kakhulu ukuthengela abantwana bakho iiglasi eziluhlaza okwesibhakabhaka okanye iiglasi zekhompyuter.Ngaphandle koko, abantwana, ngokukodwa, banokuzuza ngokusebenzisa iiglasi eziluhlaza okwesibhakabhaka.Kuba abantwana banokuba semngciphekweni omkhulu wokonakala kwe-retinal yokukhanya okuluhlaza kunabantu abadala kuba abantwana basaphuhla amehlo ukuze bafunxe ngakumbi ukukhanya okuluhlaza kunabantu abadala.
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