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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.
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1.56 FSV Blue Block HMC Blue Coating Optical ruwan tabarau
Blue Block Lens, muna kuma kiransa Blue Cut Lens ko UV420 Lens. Kuma yana da ruwan tabarau na blue block iri biyu daban-daban, daya shine blue block ruwan tabarau, wannan nau'in yana toshe hasken shuɗi ta hanyar abu, wani kuma yana ƙara murfin blue block. don toshe blue light.Mafi yawan abokan ciniki zabar abu blue block ruwan tabarau, saboda yana da rahusa da kuma sauki duba da block aikin, kawai bukatar blue haske alkalami ya isa.
