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1.61 Blue Cut Spin Photochromic Gray HMC Optical lenses
Resin bụ hydrocarbon (hydrocarbon) exudate sitere na osisi, karịsịa conifers, bara uru maka ihe owuwu kemịkalụ ndị ọzọ pụrụ iche. Enwere ike kewaa resin ụzọ abụọ nke resin eke na resin sịntetik, na oghere resin bụ oghere nke a na-emepụta site na njikọ kemịkal na iji resin na-egbuke egbuke dị ka akụrụngwa. Lensị resin nwere uru doro anya, ịdị arọ ya dị mfe, na-eyi ihe dị mma karị; Nke abuo, lens resin nwere mmetụta siri ike na-eguzogide ma ọ dịghị emebi emebi ma dị nchebe; N'otu oge ahụ, oghere resin nwekwara ezigbo nnyefe ọkụ; Na mgbakwunye, lenses resin dị mfe ịhazigharị iji gboo mkpa pụrụ iche. N'ikpeazụ, yana mgbakwunye ọhụrụ na mmelite nke usoro mkpuchi, resin lenses nwekwara ezigbo nguzogide na-eyi, ya mere, ha aghọwo ihe ndị bụ isi nke lenses na ahịa.
