Ilensi yelensi luhlobo lwelensi esetyenziselwa ukwenza iiglasi zamehlo.Ayifane isetyenziswe, kodwa xa uyifuna, inokuba luncedo olukhulu.
Abavelisi beglasi bavelisa ezi lensi ukulungisa ukubona kude kakhulu. Oko kuthetha ukuba kunzima ukubona izinto ngokusondeleyo.
Itshathi yamandla yelensi yoqhagamshelwano
Funda ngolwazi oluthe kratya kwiilensi zelensi, kubandakanywa nokusetyenziswa kwazo ngaphaya kokulungisa umbono.
Amandla aphezulu adla ngokuthetha iiglasi ezinzima kakhulu.Ukuthintela iilensi ekubeni zityebe kakhulu ukuba zingalingana, abavelisi beglasi yamehlo benza iilensi zebiconvex.
Unokucinga ngelensi yelensi njengeelensi ezimbini ezahlukeneyo ezibekwe phezu kwenye kwenye. .
I-Bifocals ziilensi ezikhethekileyo ezikuvumela ukuba ubone ngcono xa ufunda ujonge phantsi.Xa ujonga phezulu, unokubona ezinye izinto ngokucacileyo.
Iilensi zeLenticular zisetyenziswa njengee-contact lens kunye ne-eyeglasses.Kwiindidi zeglasi, ziza ngeglasi okanye iplastiki.
Iiglasi okanye abavelisi bezinto zamehlo banokusebenzisa iilensi zelensi ukukunceda ubone izinto ngokubhekele phaya okanye usondele ngakumbi.
Ngamanye amaxesha oogqirha bacebisa iilensi ze-cylindrical spectacle kubantu abadala abancinci kunye nokuphazamiseka kokubona okuphakathi besebancinci.
Le ndlela ayiqhelekanga ukusetyenziswa kubantu abadala ngenxa yokuba amehlo abo angakwazi ukuhambelana ne-lens, enokubangela ukuwa kunye nesiyezi.
Abavelisi beLens nabo basebenzisa iilensi ze-lenticular kwezinye izicelo ezinxulumene nombono.Ii-Layers okanye ukubekwa ngobuchule kweelensi zelensi kunokudala umphumo we-3D kwimbono yombukeli.
Ngenxa yoko, abavelisi bamehlo basebenzisa iilensi ze-lenticular ukwenza i-3-D yesikrini se-TV kunye ne-headsets kwiinkqubo zenyani zenyani.
Ukuprintwa kweRaster okanye ukwahlulahlula kukuvumela ukuba ubone intengiso yakho kwi-3D.Amaxesha amaninzi kufuneka ume okanye uhlale kwi-engile ukuxabisa isiphumo esipheleleyo.
Ukuba une-cataract, unokuxhamla kwiilensi ze-lenticular.Oku kwenzeka xa i-lens esesweni lakho isiba namafu kwaye ichaphazela umbono wakho.Ugqirha wamehlo akho angakwazi ukulungisa umbono wakho ngokufaka iilensi ezintsha.
Itshathi yamandla yelensi yoqhagamshelwano
Kodwa kwezinye iimeko, ugqirha wakho wamehlo akanakukwazi ukubeka i-lens entsha kwiso lakho, okanye ukufakelwa kungafumaneki.Kule meko, i-lenticular lens inokuba luncedo.
Abantu abanxiba iindondo kufuneka bathathele ingqalelo i-engile yeendondo xa kuthelekiswa namehlo okanye amehlo akho. Ukuba le milinganiselo yohluka ngeemilimitha ezimbalwa, iindondo zinokubangela ukuba ube nombono ophazamisayo.
Usenokubona umbono ombi xa iiglasi zakho ziphuma ebusweni bakho okanye zijike kancinane.
Unokufuna kuphela i-lens ye-lens ngenxa yokuba awukwazi ukufikelela kwezinye iindlela, ezifana ne-cataract yendabuko okanye ukuhlinzwa ukulungiswa kombono. Kule meko, unokufuneka usebenze nzima ukuze uqhelane nokugqoka i-lens lens.
Ngokutsho kweeNgxelo zabaThengi, i-lens eqhelekileyo ye-bifocal ixabisa malunga ne-$ 105. Kodwa ezo zisetyenziselwa ukulungisa i-cataract okanye ezinye iingxaki zombono zingabiza kakhulu.
Iilensi eziqhubela phambili zezinye iilensi zebiconvex abanye abantu banokuzifumana bekhululekile ukuba bazinxibe.
Kwi-cataracts, ugqirha wakho unokwenza iimvavanyo, ezifana novavanyo lwe-retinal ngokuhlanjululwa kwamehlo okanye ukuhlolwa kwesibane sokuqhawula.
Ukuba ugqirha wakho uncoma iilensi ze-cylindrical, ziya kukuyalela ukuba uzinxibe njani ngokufanelekileyo kunye nendlela yokufaka iilensi.
Ilensi yelensi luhlobo lwelensi enokukunceda ubone ngcono okanye wenze iziphumo ezikhethekileyo ze-3-D.
I-bifocal ngumzekelo oqhelekileyo welensi yelensi, nangona iilensi ezintsonkothileyo ngakumbi ziyafumaneka.
Iintloko ezibuhlungu ezibangelwa yimigqaliselo emitsha yeglasi yamehlo zixhaphakile. Ngokwesiqhelo, ziyanyamalala phakathi kweentsuku ezimbalwa njengoko amehlo akho eqhelana nomyalelo wakho omtsha…
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Iiglasi ze-Trifocal kunye neenketho zoqhagamshelwano ziqinisekisa ukuba ungabona izinto ezikufutshane, phakathi kunye nokude.Nantsi indlela ezisebenza ngayo.
Iilensi ezipholileyo lukhetho lweendondo zelanga ezenza kube lula ukuzibona kukukhanya okuqaqambileyo.Ngamanye amaxesha awufuni kuzisebenzisa…
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Iiglasi ezikhanyayo eziluhlaza kuthiwa zinceda ukunciphisa uxinzelelo lwamehlo ngokuthintela ukukhanya okuluhlaza okwesibhakabhaka okukhutshwa zizixhobo zombane.Fumana ukuba uphando luthini malunga nokusebenza kwabo.
Ukopha emehlweni kunokubangelwa zizinto ezininzi.Sixoxa ngoonobangela, iindlela zonyango, kunye neziphumo ezilindelekileyo zeentlobo ezahlukeneyo zokopha kwamehlo.
Iinkophe ezimnyama zinokubangelwa kukwaluphala, isifo esisisiseko, okanye ukusabela kumayeza okanye ukuchaswa lilanga.Amayeza asekhaya anokunceda ukufihla inkangeleko yawo.
Amehlo akho athanda ukuba neenyembezi xa ulele phantsi kuba umxhuzulane awukwazi ukwalathisa ulwelo kwimibhobho yokukrazula. Nasi isizathu, kwaye yintoni onokuyenza…
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Ixesha lokuposa: Apr-07-2022
