1.56 Bifocal Flat top / Round Top / Blended HMC optical lenses

Tsananguro pfupi:

MaBifocal Lenses magirazi ekuona ane nzvimbo dzekururamisa uye anonyanya kushandiswa kugadzirisa presbyopia. Nzvimbo iyo bifocals inoona kure inonzi nzvimbo yekuona kure, uye nzvimbo inogadzirisa pedyo nenzvimbo yekuona inonzi nzvimbo yekuona iri pedyo uye nzvimbo yekuverenga. Kazhinji, nzvimbo iri kure yakakura, saka inonziwo chidimbu chikuru, uye nzvimbo iri pedyo idiki, inonzi sub slice.

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Ruzivo rweChigadzirwa

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Ruzivo rweKugadzira

Nzvimbo Yekwakabva:	Jiangsu	Zita reBrand:	BORIS
Nhamba yeModhero:	BifocalLenzi	Zvinhu zveLenzi:	NK-55
Mhedzisiro yeChiono:	Bifocal	Firimu reKuputira:	UC/HC/HMC
Ruvara rwemagirazi:	Chena	Ruvara rwekuputira:	Girini/Bhuruu
Runyoro:	1.56	Simba Rakakura:	1.28
Chitupa:	CE/ISO9001	Kukosha kweAbbe:	38
Dhayamita:	70mm	Dhizaini:	Yakatsetseka/Yakatenderera/Yakasanganiswa

Pane madhigirii maviri chete pa lenzi ye bifocales, izvo zvakakamurwa kuita chiedza chepamusoro nechiedza chepazasi. Mwenje wepamusoro nechiedza chepazasi zvinogona kuva myopia, hyperopia, astigmatism, nezvimwewo, asi chiedza chepamusoro chakadzika kupfuura chiedza chepamusoro chemyopia uye chisina kudzika chekuona zviri kure.

Progressive inogadzirwa zvichibva pachiedza chakapetwa kaviri. Haina chete hunhu hwechiedza chakapetwa kaviri, kusanganisira chiedza chepamusoro nechiedza chepasi, asiwo ine maitiro akapetwa zvishoma nezvishoma pakati. Dhigirii pakati pechiedza chepamusoro nechiedza chepasi inzira yekuchinja zvishoma nezvishoma.

Pamusoro, zviri pachena kuona musiyano uripo pakati pechiedza chakapetwa kaviri. Mutsetse unoparadzanisa kana kuti muganho uripo pakati pechiedza chepamusoro nechiedza chepazasi unogona kuonekwa, asi pamusoro pegirazi rinofambira mberi harioni musiyano.

Nenzvimbo yekuchinja, hapana dambudziko rekusvetuka kwenzou. Kureva kuti, zvishoma nezvishoma kubva kure kuenda pedyo, kubva pedyo kuenda kure, kana pasina nzvimbo yekuchinja, kubva pedyo kuenda kure, kubva kure kuenda pedyo, hapana buffer overshoot.

Nhanganyaya yeKugadzira

Bifocal inoreva masimba maviri akasiyana e dioptric ari pa lenzi imwe chete, masimba maviri e dioptricvari dNzvimbo inoshandiswa kuona kure, iyo iri munzvimbo dzakasiyana dzelenzi, inonzi nzvimbo yekure, iri muhafu yepamusoro yelenzi; nzvimbo inoshandiswa kuona pedyo inonzi nzvimbo iri pedyo, iri muhafu yepasi yelenzi.

Zvakanakira magirazi maviri: Unogona kuona zvinhu zviri kure kuburikidza nenzvimbo yekuona kure yemagirazi maviri, uye unogona kuona zvinhu zviri pedyo kuburikidza nenzvimbo yekuona iri pedyo yemagirazi maviri mamwe chete. Haufanire kutakura magirazi maviri, uye haufanire kuchinja pakati pemagirazi ari kure neari pedyo nguva nenguva.

Zvakaipa zvema "bifocals": Nzvimbo yekuona idiki pane ye "single-vision lenses", kunyanya pedyo nekuona. Semuenzaniso, kuverenga mabhuku nemapepanhau kunofanirwa kushandira pamwe nekufamba kwemusoro. Kune zvikanganiso zvemaziso zvekusvetuka uye kufamba kwemufananidzo, uye kune mutsetse wekuparadzanisa, uri nyore kuonekwa wakapfekwa. Ratidza zera ne "bifocals".