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1.59 Ruwan tabarau na Polycarbonate HMC
Gilashin resin gabaɗaya kayan ƙarfi ne na zafi, wato, kayan da aka yi amfani da su ruwa ne, kuma ana samar da ruwan tabarau masu ƙarfi bayan dumamawa. Gilashin PC, wanda aka fi sani da "ruwan tabarau na sararin samaniya", "ruwan tabarau na cosmic", wanda aka fi sani da polycarbonate, kayan thermoplastic ne.
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1.56 Bifocal Flat top / Round Top / Blended HMC optical lenses
Ruwan tabarau na Bifocals ruwan tabarau ne na gani waɗanda ke ɗauke da sassan gyara kuma galibi ana amfani da su don gyaran presbyopia. Yankin da bifocals ke gyara hangen nesa na nesa ana kiransa yankin hangen nesa na nesa, kuma yankin da ke gyara yankin hangen nesa na kusa ana kiransa yankin hangen nesa na kusa da yankin karatu. Yawanci, yankin da ke nesa ya fi girma, don haka ana kiransa babban yanki, kuma yankin da ke kusa ya fi ƙanƙanta, wanda ake kira ƙaramin yanki.
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1.56 Ruwan tabarau na gani na Porgressive HMC
Ruwan tabarau mai ci gaba ruwan tabarau ne mai tsawon mai da hankali da yawa, wanda ya bambanta da gilashin karatu na gargajiya da gilashin karatu na bifocal. Ruwan tabarau mai ci gaba ba su da gajiyar ƙwallon ido don daidaita tsawon mai da hankali akai-akai lokacin amfani da tsayin bifocal, kuma babu wata layi a bayyane tsakanin tsayin mai da hankali guda biyu. Yana da daɗi a saka kuma yana da kyakkyawan kamanni, 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 Lenses
Ruwan tabarau na Blue Block, muna kuma kiransa Ruwan tabarau na Blue Cut ko UV420. Kuma yana da nau'ikan ruwan tabarau na blue block iri biyu daban-daban, ɗaya ruwan tabarau na blue block, wannan nau'in yana toshe hasken shuɗi ta hanyar kayan aiki; wani kuma shine ƙara murfin toshe shuɗi don toshe hasken shuɗi. Yawancin abokan ciniki suna zaɓar ruwan tabarau na blue block, saboda yana da rahusa kuma yana da sauƙin duba aikinsa, kawai kuna buƙatar alkalami mai haske shuɗi ya isa.
