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1.71 Umbono omnye iilensi ze-HMC ze-Optical
I-1.71 lens Igama elipheleleyo 1.71 isalathisi se-lens, kunye nesalathisi esiphezulu se-refractive, i-transmittance ephezulu, iimpawu zenombolo ye-Abbe ephezulu, kwimeko ye-myopia degree efanayo, inokunciphisa kakhulu ubukhulu be-lens, ukunciphisa umgangatho we-lens, ngexesha elifanayo. ixesha, yenza ilensi enyulu ngakumbi kwaye eqaqambileyo, akukho lula ukusasaza iinkozo zomnyama. Kufunyenwe ukuba ukongeza i-cyclic sulfide resin kwi-lens material inokuphucula i-refractive index ye-lens, kodwa i-cyclic sulfide resin eninzi iya kukhokelela ekunciphiseni ukuhanjiswa kokukhanya kunye nokuqhekeka kwezinto. Ngokulawula ngokuchanekileyo umxholo we-ring sulfur resin kwi-resin ye-1.71KR, i-lens ye-1.71 ifezekisa isalathisi esiphezulu se-refractive kunye nenombolo ye-abbe ngelixa iqinisekisa ukuhanjiswa kokukhanya okulungileyo, ukusasazeka okuphantsi kunye nombono ocacileyo.
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1.56 Umbono omnye we-HMC
I-Lens, i-lens ikwabizwa ngokuba yiziko lesipili, liziko lokupeyinta emva kokunyuka, lilungele ukubethelwa kwisakhelo sesibuko, ngoko ibizwa ngokuba yiziko lesipili. Ifom yayo ingaba tye, i-vertical, ilula, ifakela elula.
Ukuhlelwa: Iilensi zinokwahlulwa ngokwezi ntlobo zine zilandelayo ngokwezinto ezahlukeneyo:
Ilensi yeresin ekhethekileyo isithuba selensi yelensi yeglasi
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1.49 Umbono omnye UC
Isalathiso se-refractive ye-lens, i-1.49, 1.56, 1.60, 1.67, 1.71, 1.74 kuphawu oluphezulu lwelensi lubhekiselele kwisalathiso se-refractive ye-lens. Kwiiglasi ze-myopic, i-index ye-refractive ephezulu ye-lens, iyancipha umda we-lens, kwinqanaba lokuba ezinye iiparitha ziyafana.
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CR39 iilensi zelanga
Iiglasi zelanga luhlobo lweemveliso zokhathalelo lombono ukukhusela umonakalo wamehlo omntu obangelwa ukukhanya kwelanga. Ngokuphuculwa kwezinto zabantu kunye nenqanaba lenkcubeko, izibuko zelanga zingasetyenziswa njengezixhobo ezikhethekileyo zobuhle okanye isitayela somntu.
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1.74 MR-174 FSV High Index HMC iilensi optical
Ngokubanzi, xa sithetha ngesalathiso seresin lens, sisuka ku-1.49 – 1.56 – 1.61 – 1.67 – 1.71 – 1.74. Ke amandla afanayo, i-1.74 yeyona nto incinci, amandla aphezulu, kokukhona isiphumo esicacileyo.
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1.67 MR-7 FSV High Index HMC iilensi optical
I-1.67 index lens idla ngokuba neentlobo ezimbini zemathiriyeli, imathiriyeli ye-MR-7 kunye ne-MR-10.
Kodwa izinto ze-MR-7 yeyona nto isetyenziswa kakhulu kwaye yaziwa kakhulu kuneMR-10.
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1.61 MR-8 FSV High Index HMC iilensi optical
I-1.61 index lens idla ngokuhlula iindidi ezimbini, i-1.61 MR-8 lens kunye ne-1.61 i-Acrylic lens.
I-1.61 MR-8 ilensi iya kukhululeka ngakumbi xa inxibe, ngenxa yexabiso layo elihle le-Abbe:41.
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1.59 Iilensi ze-Polycarbonate HMC Optical
Iilensi ze-resin ngokubanzi zizinto eziqinileyo ze-thermal, oko kukuthi, izinto eziluhlaza zilulwelo, kwaye iilensi eziqinileyo zenziwe emva kokufudumeza. Iilensi zePC, ezikwabizwa ngokuba “ziindawo zelensi”, “iilensi zecosmic”, ngokwekhemikhali ebizwa ngokuba yipolycarbonate, yimathiriyeli ye-thermoplastic.
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1.56 Umphezulu weFlethi yeBifocal / Umphezulu oRounding / Iilensi ezibonakalayo zeHMC eziDityanisiweyo
IiLensi zeBifocals ziilensi zokubukela eziqulathe zombini iindawo zokulungisa kwaye zisetyenziselwa ikakhulu ukulungisa i-presbyopia. Ummandla apho ii-bifocals zichanekileyo zokubona kude kuthiwa yi-far vision area, kwaye ummandla olungisa kufuphi nendawo yombono ubizwa ngokuba kufuphi nendawo yombono kunye nendawo yokufunda. Ngokuqhelekileyo, indawo ekude inkulu, ngoko ikwabizwa ngokuba sisilayi esiphambili, kwaye indawo ekufutshane incinci, ebizwa ngokuba yi-sub slice.
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1.56 Iilensi ezibonakalayo ze-HMC eziPorgressive
Ilensi eqhubelekayo yilensi yobude obugxile kwizinto ezininzi, eyahlukileyo kwiindondo zokufunda zesintu kunye neendondo zokufunda ezizii-bifocal. Iilensi eziqhubela phambili azinakho ukudinwa kweebhola zamehlo ekufuneka zilungelelanise rhoqo ubude bogxininiso xa usebenzisa ubude be-bifocal, kwaye akukho mgca ucacileyo phakathi kobude obugxininisiweyo bumbini. umgca wokucanda. Kukhululekile ukunxiba kwaye kunenkangeleko entle, kwaye ngokuthe ngcembe ibe lolona khetho lulungileyo kubantu abane-presbyopia.
