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1.71 Single Vision HMC Na gani ruwan tabarau
1.71 Lens Cikakken suna 1.71 ruwan tabarau mai jujjuyawa, tare da babban madaidaicin index, babban watsawa, halayen lambar Abbe mai girma, a cikin yanayin digiri iri ɗaya, na iya rage kauri daga ruwan tabarau, rage ingancin ruwan tabarau, a daidai wannan. lokaci, sanya ruwan tabarau ya zama mai tsabta da haske, ba sauƙin watsa hatsin bakan gizo ba. An gano cewa ƙara resin cyclic sulfide a cikin kayan ruwan tabarau na iya inganta ma'anar refractive na ruwan tabarau, amma yawan guduro sulfide na cyclic zai haifar da raguwar watsa haske da fashewar kayan. Ta daidai sarrafa abun ciki na guduro sulfur na zobe a cikin guduro 1.71KR, ruwan tabarau na 1.71 yana samun babban ma'anar refractive da lambar abbe yayin da ke tabbatar da isar da haske mai kyau, ƙarancin watsawa da hangen nesa.
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1.56 Single Vision HMC
Lens, ruwan tabarau kuma ana kiransa cibiyar madubi, shine wurin zanen bayan hawa, wanda ya dace da clamping a cikin firam ɗin madubi, don haka ana kiran shi cibiyar madubi. Siffar sa na iya zama a kwance, a tsaye, mai sauƙi ne, shigarwa mai dacewa.
Rarraba: Ana iya raba ruwan tabarau zuwa nau'ikan nau'ikan guda hudu masu zuwa bisa ga kayan daban-daban:
Guduro ruwan tabarau na musamman ruwan tabarau sarari ruwan tabarau gilashin ruwan tabarau
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1.49 Single Vision UC
Ma'anar ma'anar ruwan tabarau, 1.49, 1.56, 1.60, 1.67, 1.71, 1.74 akan babban alamar ruwan tabarau tana nufin ma'aunin ma'aunin ruwan tabarau. Don tabarau na myopic, mafi girman ma'anar refractive na ruwan tabarau, mafi ƙarancin gefen ruwan tabarau, a kan cewa sauran sigogi iri ɗaya ne.
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CR39 ruwan tabarau na tabarau
Gilashin tabarau wani nau'i ne na kayan kula da hangen nesa don hana lalacewar idanun ɗan adam saboda tsananin hasken rana. Tare da haɓaka kayan mutane da matakin al'adu, ana iya amfani da tabarau azaman kayan haɗi na musamman don kyakkyawa ko salon sirri.
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1.74 MR-174 FSV High Index HMC ruwan tabarau na gani
Gabaɗaya, idan muka yi magana da index na guduro ruwan tabarau, yana daga 1.49 – 1.56 – 1.61 – 1.67 – 1.71 – 1.74. Don haka ƙarfin guda ɗaya, 1.74 shine mafi ƙarancin ƙarfi, mafi girman ƙarfin, mafi kyawun tasirin tasirin.
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1.67 MR-7 FSV Babban Index HMC na gani na gani
1.67 index ruwan tabarau yawanci yana da nau'i nau'i nau'i biyu, MR-7 abu da MR-10 abu.
Amma MR-7 abu ne mafi yadu amfani da mafi sanannun abu fiye da MR-10 abu.
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1.61 MR-8 FSV High Index HMC ruwan tabarau na gani
1.61 index ruwan tabarau yawanci raba iri biyu, 1.61 MR-8 ruwan tabarau da 1.61 Acrylic ruwan tabarau.
1.61 MR-8 ruwan tabarau zai zama mafi dadi lokacin sawa, saboda kyawun Abbe Value: 41.
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1.59 Polycarbonate HMC ruwan tabarau na gani
Gabaɗaya ruwan tabarau na resin kayan aiki ne na thermal, wato, albarkatun ƙasa ruwa ne, kuma ana samun ingantaccen ruwan tabarau bayan dumama. Ruwan tabarau na PC, wanda kuma aka sani da "hannun sararin samaniya", "ruwan tabarau na sararin samaniya", wanda ake kira polycarbonate da sinadarai, abu ne na thermoplastic.
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1.56 Bifocal Flat saman / Round Top / Haɗe-haɗen ruwan tabarau na gani na HMC
Bifocals Lenses sune ruwan tabarau na kallo waɗanda ke ƙunshe da bangarorin gyara duka kuma ana amfani dasu da farko don gyaran presbyopia. Wurin da bifocals ke daidaita hangen nesa mai nisa ana kiransa Far vision area, kuma yankin da yake gyara kusa da wurin hangen nesa ana kiransa kusa da wurin hangen nesa da wurin karatu. Yawancin lokaci, yanki mai nisa ya fi girma, don haka ana kiransa babban yanki, kuma yanki na kusa ya fi karami, ana kiran shi sub yanki.
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1.56 Lenses na gani na HMC mai ƙarfi
Lens mai ci gaba shine ruwan tabarau mai tsayi mai yawa, daban da gilashin karatun gargajiya da gilashin karatun bifocal. Lenses masu ci gaba ba su da gajiyawar kwallin ido don daidaita tsayin tsayin daka yayin amfani da tsayin bifocal, kuma babu wani fili a fili tsakanin tsayin mai da hankali biyu. layin iyaka. Yana da dadi don sawa kuma yana da kyan gani, kuma a hankali ya zama mafi kyawun zaɓi ga mutanen da ke da presbyopia.
