CR39 looj tsom iav dub

CR39 Sunglasses lo ntsiab muag Featured duab

Lus piav qhia luv luv:

Cov looj tsom iav dub yog ib yam khoom siv saib xyuas qhov muag kom tiv thaiv kev puas tsuaj rau tib neeg lub qhov muag los ntawm lub hnub ci zog.Nrog rau kev txhim kho ntawm tib neeg cov khoom siv thiab kev coj noj coj ua, looj tsom iav dub tuaj yeem siv los ua cov khoom siv tshwj xeeb rau kev zoo nkauj lossis tus kheej style.

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Khoom cim npe

Paub meej ntau lawm

Qhov Chaw Keeb Kwm:	Jiangsu	Hom Lub Npe:	BORIS
Qauv nab npawb:	Siab IndexLens	Lenses Khoom:	resin
Kev Pom Kev Zoo:	Ib Lub Zeem Muag	Txheej zaj duab xis:	UC/HC/HMC
Lenses Xim:	muaj yeeb yuj	Txheej Xim:	Ntsuab / Xiav
Index:	1.49	Specification Gravity:	1.32
Ntawv pov thawj:	CE/ISO9001	Abbe Tus nqi:	58
Txoj kab uas hla:	80/75/73/70 hli	Tsim:	Asperical

Feem ntau, looj tsom iav dub muaj cov khoom hauv qab no:

1. Resin lens Lens khoom siv: Resin yog ib yam tshuaj uas muaj cov qauv phenolic.Nta: lub teeb yuag, kub tsis kam, muaj zog tiv thaiv, thiab tuaj yeem thaiv cov kab hluav taws xob ultraviolet.

2. Nylon lens Lens khoom: ua los ntawm nylon, nta: elasticity heev, zoo heev optical zoo, muaj zog cuam tshuam, feem ntau yog siv los tiv thaiv cov khoom.

3. Carbonated polyester lens (PC lens) cov khoom siv lens: muaj zog, tsis yooj yim rau tawg, cuam tshuam resistant, tshwj xeeb tshaj yog tsim cov khoom siv rau cov tsom iav kev ua si, tus nqi yog siab dua li acrylic lo ntsiab muag.

4. Acrylic lens (AC lens) lens khoom: Nws muaj zoo heev toughness, lub teeb yuag, siab foundations thiab zoo pos huab.

Qhuav Taw Qhia

Ophthalmologists pom zoo tias koj yuav tsum tau hnav looj tsom iav ib txwm los tiv thaiv koj ob lub qhov muag;Qhov no yog vim peb lub qhov muag (lens) yog ib qho yooj yim heev rau nqus tau cov kab hluav taws xob ultraviolet, thiab kev puas tsuaj ntawm cov hluav taws xob ultraviolet muaj ob yam tseem ceeb:

1.Qhov kev puas tsuaj ntawm cov hluav taws xob ultraviolet yuav sib sau.Txij li thaum lub teeb ultraviolet yog qhov pom tsis pom, nws nyuaj rau tib neeg kom pom nws intuitively.

2.Qhov kev puas tsuaj ntawm ultraviolet rays rau lub qhov muag yog irreversible, uas yog, irreparable.Xws li: phais kab mob cataract tsuas yog hloov los ntawm cov lo ntsiab muag intraocular.Kev puas tsuaj rau lub qhov muag ntev tuaj yeem yooj yim ua rau lub cornea thiab retina puas, clouding ntawm lub lens kom txog thaum cataract tshwm sim, ua rau pom kev puas tsuaj mus tas li.

Txij li kev puas tsuaj ntawm cov hluav taws xob ultraviolet rau lub qhov muag pom tsis pom, nws tsis tuaj yeem hnov tau tam sim ntawd.Yog tias koj tsis hnav tsom iav, koj tsis xis nyob tshwj xeeb.Nws tsuas yog txhais tau hais tias koj ob lub qhov muag tsis hnov mob rau lub teeb pom kev zoo (xws li dazzling glare, glare, thiab reflected light)., thiab tsis tuaj yeem zam kev puas tsuaj UV.

Puas yog lub looj tsom iav dub, qhov zoo dua ntawm UV thaiv cov nyhuv?

Tsis yog, lub luag haujlwm ntawm lub lens los thaiv cov kab hluav taws xob ultraviolet yog tias nws tau kho los ntawm cov txheej txheem tshwj xeeb (ntxiv UV hmoov) thaum lub sijhawm tsim khoom, kom lub lens tuaj yeem nqus cov teeb pom kev zoo hauv qab 400NM xws li ultraviolet rays thaum lub teeb nkag mus.Nws tsis muaj dab tsi ua rau qhov tob ntawm zaj duab xis.