Iilensi ziyinto ebalulekileyo kulungiso lombono kwaye ziza kwiindidi ezahlukeneyo ngokuxhomekeke kwiimfuno ezithile zomntu ozinxibileyo. Iilensi ezimbini zezona ziqhele ukusetyenziswa ziilensi zombono omnye kunye neelensi zebifocal. Ngelixa zombini zisebenza ukulungisa izithintelo ezibonakalayo, ziyilelwe iinjongo ezahlukeneyo kunye nabemi. Ukuwuqonda umahluko phakathi kwezi lens kubalulekile ekwenzeni ukhetho olunolwazi, ngakumbi njengoko umbono wabantu ufuna ukutshintsha ngokweminyaka nangendlela yokuphila. Kolu hlalutyo luneenkcukacha, siza kuphonononga umahluko phakathiumbono omnyekwayeiilensi ze-bifocal, kubandakanywa izicelo zabo, izibonelelo, kunye nendlela abazilungisa ngayo iingxaki zombono.
1. IiLensi zoMbono omnye: Ziyintoni?
Iilensi zombono omnye lolona hlobo lulula nolusetyenziswa kakhulu kwiiglasi zamehlo. Njengoko igama libonisa, ezi lens ziyilelwe ukulungisa umbono kubude obugxininisiweyo obunye. Oku kuthetha ukuba banamandla okulungisa afanayo kuwo wonke umphezulu welensi, okubenza bafaneleke ukujongana nohlobo oluthile lwempazamo yokuphinda-phinda-nokuba bukubona kufutshane (myopia) okanye ukubona kude (hyperopia).
Ezona mpawu:
Amandla afanayo:Ilensi inamandla angaguqukiyo achazwe ngugqirha kuyo yonke loo nto, igxininisa ukukhanya kwindawo enye kwiretina. Oku kuvumela umbono ocacileyo kumgama omnye.
Ukusebenza lula:Ngenxa yokuba iilensi zombono omnye zilungele uhlobo olunye kuphela lwengxaki yombono, zithe ngqo kuyilo nakwimveliso.
NgeMyopia (Ukujonga kufutshane):Abo banombono okufutshane banobunzima bokubona izinto ezikude ngokucacileyo. Iilensi zombono omnye zokubona kufutshane zisebenza ngokusasaza ukukhanya ngaphambi kokuba kubethe iretina, kunceda izinto ezikude zibonakale zibukhali.
NgeHyperopia (Ukubona Phambi):Abantu ababona kude bayasokola ukubona kakuhle izinto ezikufuphi. Iilensi zombono omnye ze-hyperopia zigxininisa ukukhanya ngakumbi kwi-retina, ukuphucula umbono okufutshane.
Sebenzisa Amatyala:
Iilensi zombono omnye zinokusetyenziselwa abantu abane-astigmatism, imeko apho i-cornea yeliso imile ngendlela engaqhelekanga, ekhokelela kumbono ogqwethekileyo kuyo yonke imigama. Iilensi ezikhethekileyo zombono omnye ezibizwa ngokuba ziilensi zetoric ziyilelwe ukulungisa i-astigmatism.
Izinto eziluncedo kwiiLensi zoMbono omnye:
Uyilo oluLula kunye neMveliso: Kuba ezi lens ziyilelwe ukulungisa umbono kumgama omnye kuphela, kulula kwaye zingabizi kakhulu ukuvelisa kunelensi ezininzi.
Uluhlu olubanzi lwezicelo:Iilensi zombono omnye ziyaguquguquka kwaye zilungele abantu bayo yonke iminyaka abanohlobo olunye lwempazamo yokuphinda iphinde iphindeke.
Iindleko eziphantsi: Ngokubanzi, iilensi zombono omnye zifikeleleka ngakumbi kunebifocal okanye iilensi eziqhubekayo.
Ulungelelwaniso olulula:Ngenxa yokuba i-lens yonke ifana kumandla ayo okulungisa, abanxibe iilensi zombono omnye baziqhelanisa nabo ngokulula ngaphandle kokufumana ukuphazamiseka okanye ukungonwabi.
Uluhlu lokuJonga olunoMda:Iilensi zombono omnye zilungisa kuphela uhlobo olunye lwengxaki yombono (kufuphi okanye kude), enokuthi ingonelanga kubantu abaphuhla i-presbyopia okanye ezinye iimeko ezinxulumene neminyaka ezichaphazela umbono okufutshane kunye nokude.
Utshintsho lweglasi yamehlo rhoqo:Kubantu abafuna ukulungiswa kuyo yomibini imigama kunye nemisebenzi ekufutshane (umzekelo, ukufunda nokuqhuba), iilensi zokubona enye kusenokufuneka ukuba kutshintshelwe phakathi kweeperile ezahlukeneyo zeeglasi, nto leyo enokuba yingxaki.
Imida yeeLensi zoMbono omnye:
①.Uluhlu lokuJonga olulinganiselweyo: Iilensi zombono omnye zilungisa kuphela uhlobo olunye lwengxaki yokubona (kufuphi okanye ekude), enokwanela abantu abathi baphuhlise i-presbyopia okanye ezinye iimeko ezinxulumene nobudala ezichaphazela umbono okufutshane nakude.
②.Utshintsho lweglasi yamehlo rhoqo: Kubantu abafuna ukulungiswa kuyo yomibini imigama kunye nemisebenzi esondeleyo (umzekelo, ukufunda nokuqhuba), iilensi zombono omnye zisenokufuna ukutshintsha phakathi kweepere ezahlukeneyo zeeglasi, ezinokuthi ziphazamise.
2. IiLensi zeBifocal: Ziyintoni?
Iilensi ze-Bifocal ziyilelwe ngokukodwa abantu abafuna ukulungiswa kokubona umgama kunye nombono okufutshane. Ezi lens zahlulwe zaba ngamacandelo amabini ahlukeneyo: enye inxalenye yeyokubona izinto ezikude ngokucacileyo, ngelixa elinye lilokubona izinto ezikufutshane, njengaxa ufunda. I-Bifocals yayidalwe ngokwesiko ukujongana ne-presbyopia, imeko apho iliso lilahlekelwa ukukwazi ukugxila kwizinto ezisondeleyo njengoko abantu bekhula.
Ezona mpawu:
Imiyalelo emibini kwiLensi enye:Iilensi ze-Bifocal zinamandla amabini ahlukeneyo okulungisa kwilensi enye, ngokuqhelekileyo ihlulwe ngumgca obonakalayo. Inxalenye ephezulu yelensi isetyenziselwa ukubona umgama, ngelixa indawo esezantsi isetyenziselwa ukufunda okanye eminye imisebenzi ekufutshane.
Umgca wokwahlulahlula ohlukileyo:I-bifocals yemveli inomgca okanye igophe elahlula imimandla yombono emibini, okwenza kube lula ukutshintsha phakathi komgama kunye nokufunda imimiselo ngokuhambisa nje amehlo phezulu okanye ezantsi.
YePresbyopia:Esona sizathu siqhelekileyo sokuba abantu banxibe iilensi ze-bifocal kukulungisa i-presbyopia. Le meko inxulumene nobudala ngokuqhelekileyo iqala ukuchaphazela abantu abaneminyaka engama-40 kunye ne-50, okwenza kube nzima kubo ukugxila kwizinto ezikufutshane, njengokuba ufunda okanye usebenzisa i-smartphone.
Ukulungiswa koMbono ngaxeshanye:I-Bifocals ifanelekile kubantu abafuna ukutshintsha rhoqo phakathi kokujonga izinto ezikude (njengokuqhuba okanye ukubukela iTV) kunye nokwenza imisebenzi esondeleyo (njengokufunda okanye ukusebenzisa ikhompyutha). I-design-in-one design ivumela ukuba benze oku ngaphandle kokutshintsha iiglasi.
Sebenzisa Amatyala:
Izinto eziluncedo kwiiLensi zeBifocal:
Isisombululo esiLungileyo sesibini-kwisinye:I-Bifocals isusa imfuneko yokuthwala iipere ezininzi zeeglasi. Ngokudibanisa umgama kunye nokulungiswa kombono okufutshane kwisibini esinye, banikezela ngesisombululo esisebenzayo kwabo bane-presbyopia okanye ezinye iimfuno zokujonga izinto ezininzi.
Umsebenzi oPhuculweyo obonakalayo:Kubantu abafuna umbono ocacileyo kumgama kunye nakuluhlu olusondeleyo, ii-bifocals zibonelela ngophuculo olukhawulezileyo ekusebenzeni kwemihla ngemihla ngaphandle kokuphazamiseka kokuhlala utshintsha iiglasi.
Ixabiso Elisebenzayo Xa lithelekiswa Nenkqubela-phambili: Ngelixa iilensi ze-bifocal zibiza kakhulu kuneelensi zombono omnye, zifikeleleka ngokubanzi kuneelensi eziqhubekayo, ezibonelela ngenguqu egudileyo phakathi kweendawo ekugxilwe kuzo ezahlukeneyo.
Ukwahlulahlula okubonakalayo: Enye yezona zinto zibonakalayo kwiilensi ze-bifocal ngumgca obonakalayo owahlula imimandla yombono emibini. Abanye abasebenzisi bayifumana le nto ingathandekiyo, kwaye inokwenza isiphumo "sokutsiba" xa utshintshela phakathi kwezi ndawo zimbini.
Umbono oNcinciweyo oPhakathi:Ngokungafaniyo neelensi eziqhubekayo, ii-bifocals zineendawo ezimbini zomyalelo kagqirha-umgama kunye kufuphi. Oku kushiya isikhewu kumbono ophakathi, njengokujonga isikrini sekhompyuter, esinokuba yingxaki kwimisebenzi ethile.
Ixesha loLungiso:Abanye abasebenzisi banokuthatha ixesha ukuziqhelanisa notshintsho olukhawulezileyo phakathi kweezowuni ezimbini ekugxilwe kuzo, ngakumbi xa utshintsha phakathi komgama kunye nombono okufutshane rhoqo.
Unyino kwiiLensi zeBifocal:
①.Ulwahlulo olubonakalayo: Enye yezona zinto zibonakalayo kwiilensi ze-bifocal ngumgca obonakalayo owahlula imimandla yombono emibini. Abanye abasebenzisi bayifumana le nto ingathandekiyo, kwaye inokwenza isiphumo "sokutsiba" xa utshintshela phakathi kwezi ndawo zimbini.
②.I-Limited Intermediate Vision: Ngokungafaniyo ne-progressive lens, i-bifocals ineendawo ezimbini ezimiselweyo-umgama kunye kufuphi. Oku kushiya isikhewu kumbono ophakathi, njengokujonga isikrini sekhompyuter, esinokuba yingxaki kwimisebenzi ethile.
③.Ixesha loLungiso: Abanye abasebenzisi bangathatha ixesha ukuziqhelanisa notshintsho olukhawulezileyo phakathi kweendawo ezimbini ekugxilwe kuzo, ngakumbi xa utshintshela phakathi komgama kunye nombono okufutshane rhoqo.
3. Uthelekiso oluneenkcukacha phakathi koMbono omnye kunye neeLensi zeBifocal
Ukuqonda ngcono umahluko ophambili phakathi kombono omnye kunye neelensi ze-bifocal, masicazulule iyantlukwano yazo ngokoyilo, umsebenzi, kunye namava omsebenzisi.
4. Kufuneka ukhethe nini uMbono omnye okanye iiLensi zeBifocal?
Ukukhetha phakathi kombono omnye kunye neelensi ze-bifocal ubukhulu becala kuxhomekeke kwiimfuno zakho zombono. Nazi ezinye iimeko apho uhlobo ngalunye lunokuba lolona khetho lungcono:
Ukukhetha iiLensi zoMbono omnye:
①.Umntu obona kufutshane okanye ojonga kude: Ukuba unodidi olunye kuphela lwempazamo yokuphinda uphendule, efana ne-myopia okanye i-hyperopia, kwaye awufuni kulungiswa kuzo zombini ezi nkcukacha zikufutshane kunye nombono womgama, iilensi zombono omnye lolona khetho lufanelekileyo.
②.Abantu abancinci: Abantu abancinci bafuna ukulungiswa kuhlobo olunye lomba wombono. Ekubeni bengenakukwazi ukufumana i-presbyopia, iilensi zombono omnye zibonelela ngesisombululo esilula kunye neendleko.
Ukukhetha iiLensi zeBifocal:
①.I-Presbyopia eNxulumene nobudala: Ukuba ufumana ubunzima bokugxila kwizinto ezikufutshane ngenxa ye-presbyopia kodwa usafuna ukulungiswa komgama, iilensi ze-bifocal lukhetho olusebenzayo.
②.Ukutshintsha okuqhelekileyo phakathi koMbono oMfutshane kunye noKude: Kubantu abafuna ukutshintsha rhoqo phakathi kokujonga izinto ezikude kunye nokufunda okanye ukwenza imisebenzi esondeleyo, iilensi ze-bifocal zibonelela ngokulula kunye nokusebenza kwilensi enye.
5. Isiphelo
Isishwankathelo, iilensi zombono omnye kunye neelensi ze-bifocal ziyilelwe ukuhlangabezana neemfuno ezahlukeneyo zokulungisa umbono. Iilensi zombono omnye zithe ngqo kwaye zifanelekile kubantu abancinci okanye abo bafuna ukulungisa uhlobo olunye lomba wombono, njengokubona kufutshane okanye ukubona kude. Iilensi ze-Bifocal, kwelinye icala, zilungiselelwe abantu abadala abane-presbyopia abafuna ukulungiswa kokubini okukufutshane kunye nombono okude, ukubonelela ngesisombululo esifanelekileyo se-2-in-one.
Ukukhetha iilensi ezifanelekileyo linyathelo elibalulekileyo ekuqinisekiseni impilo entle yombono kunye nentuthuzelo yemihla ngemihla. Ukubonisana nogqirha wamehlo okanye ingcali yokhathalelo lwamehlo kuyacetyiswa kakhulu ukumisela ukuba loluphi uhlobo lweelensi oluzifaneleyo iimfuno zakho zomntu ngamnye.
Ixesha lokuposa: Oct-16-2024