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1.56 Bifocal Round Top Photochromic Grey HMC Optical lenses
Cov tsom iav bifocal feem ntau yog rau cov neeg laus siv, thiab tuaj yeem pom kev ze thiab deb. Thaum tib neeg laus zuj zus, lawv qhov muag yuav poob qis thiab lawv lub qhov muag yuav laus zuj zus. Thiab cov tsom iav bifocal tuaj yeem pab cov neeg laus pom kev deb thiab pom kev ze.
Lub lens ob lub kuj hu ua bifocal lens, uas feem ntau suav nrog lub lens tiaj tus, lub lens puag ncig thiab lub lens tsis pom.
Cov tsom iav bifocal yuav tsum muaj xws li hyperopia diopter, myopia diopter lossis downlight. Qhov deb ntawm lub qhov muag, qhov ze ntawm lub qhov muag.
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1.56 Bifocal Flat Top Photochromic Grey HMC Optical lenses
Nrog rau qhov xav tau ntawm lub neej niaj hnub no, lub luag haujlwm ntawm cov tsom iav hloov xim tsis yog tsuas yog tiv thaiv lub qhov muag xwb, nws kuj yog ib daim duab kos duab. Ib khub tsom iav hloov xim zoo, nrog rau cov khaub ncaws tsim nyog, tuaj yeem ua rau tus neeg lub siab tsis zoo. Cov tsom iav hloov xim tuaj yeem hloov pauv raws li lub zog ntawm lub teeb ultraviolet thiab ua rau nws cov xim hloov pauv, lub lens pob tshab tsis muaj xim qub, ntsib lub teeb ci ntsa iab, yuav dhau los ua cov tsom iav xim, ua kev tiv thaiv, yog li tsim nyog rau kev siv sab hauv tsev thiab sab nraum zoov tib lub sijhawm.
