Iiglasi zelanga ezilungelelanisiweyoluhlobo lweeglasi eziyilwe ngokukodwa ezinomsebenzi omninzi. Abakwazi ukuhlangabezana neemfuno zokufunda iiglasi kuphela, kodwa bakhusela nelanga. Olu hlobo lweeglasi lwamkela uyilo lwe-bifocal lens, ukuze abasebenzisi bakwazi ukonwabela ukusebenziseka kweendondo zelanga kunye neeglasi zokufunda ngaxeshanye ngaphandle kokutshintsha iindondo rhoqo.
Umgaqo kunye nendlela
Umgaqo kunye nendlela yeeglasi zelanga ze-bifocal zibonakaliswa ikakhulu kuyilo lwelensi ezimbini. Isebenzisa umaleko welensi yelanga kunye nelensi yeglasi yokufunda. Ngokusebenzisa izixhobo ezikhethekileyo kunye nokucutshungulwa kobugcisa, iilensi ezimbini zeelensi zinokufikelela kwibhalansi ye-optical. Ngale ndlela, abasebenzisi banokufumana iziphumo ezibonakalayo ezicacileyo kwaye banandipha ukukhuselwa kwelanga ngexesha lemisebenzi yangaphandle.
Isicelo kunye nokubaluleka
Uluhlu lwezicelo zeeglasi zelanga ze-bifocal lubanzi kakhulu. Ibafanele abantu abadla ngokuphuma, njengabathanda ukuhamba, abathanda imidlalo yangaphandle, abalobi, njl.njl. Aba bantu bahlala bedibana nokukhanya kwelanga okunamandla kwaye kufuneka basebenzise iiglasi zokufunda. Ubukho beeglasi zelanga ze-bifocal zihlangabezana neemfuno ezimbini zaba bantu kwaye zibonelela ngokhetho olulula ngakumbi.
Izinto eziluncedo kwiindondo zokufunda ze-bifocal
Xa kuthelekiswa neeglasi zokufunda eziqhelekileyo, iiglasi zelanga ze-bifocal zineenzuzo ezininzi. Eyokuqala kukulula. Abasebenzisi akufuneki batshintshe iiglasi rhoqo, iiglasi zelanga ze-bifocal zinokuhlangabezana neemfuno ezahlukeneyo zokusetyenziswa. Okwesibini kukuguquguquka. Iiglasi zelanga ze-Bifocal zinokunika umbono ocacileyo kwaye zikhusele kwimitha ye-ultraviolet. Oku kwenza abasebenzisi bazive bekhululekile kwaye bekhululekile xa bengaphandle.
Ngabantu abanjani abafuna iiglasi zelanga ze-bifocal
Abantu abafuna iiglasi zelanga ze-bifocal ikakhulu ngabo bahlala bephuma kwaye banesidingo sokusebenzisa iiglasi zokufunda. Kufuneka basombulule iingxaki zombono xa bekulungele ukonwabela ilanga ngaphandle. Aba bantu banokuba ngabathandi bohambo, abathanda imidlalo yangaphandle, abalobi beentlanzi, njl njl. Ukuvela kweeglasi zelanga ze-bifocal zihlangabezana neemfuno zabo zokusebenzisa izibuko zelanga kunye neeglasi zokufunda ngexesha elifanayo, ukubonelela ngokulula kunye nokuthuthuzela. Ukuvela kweeglasi zelanga ze-bifocal zisombulula ukuchasana kweengxaki ze-optical ezihlala zikhona kubathandi bangaphandle. Umgaqo wayo kunye nendlela esebenza ngayo yenza ukuba iperi yeglasi ikwazi ukuhlangabezana neemfuno zeglasi kunye neeglasi zokufunda ngaxeshanye. Inoluhlu olubanzi lwezicelo kunye neenzuzo ezininzi. Kwabo bahlala bephuma kwaye banesidingo sokusebenzisa iiglasi zokufunda, iiglasi zelanga ze-bifocal lukhetho olusebenzayo nolukhululekile.
Ukuba ufuna ukwazi ngakumbi malunga nefashoni yeglasi kunye nothethwano lweshishini, nceda undwendwele iwebhusayithi yethu kwaye uqhagamshelane nathi nangaliphi na ixesha.
Ixesha lokuposa: May-22-2024