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1.59 PC Progressive Blue Cut HMC Optical lenses
PC lens feem ntau yog cov khoom kub khov, uas yog, cov khoom siv raw yog kua, cua sov los ua cov khoom khov. PC zaj duab xis tseem hu ua "qhov chaw zaj duab xis", "qhov chaw zaj duab xis", lub npe tshuaj ntawm polycarbonate, yog cov khoom siv thermoplastic.
Lub lens PC muaj lub zog tawv, tsis tawg (2cm siv tau rau iav tiv thaiv mos txwv), yog li nws tseem hu ua lub lens kev nyab xeeb. Lub zog tshwj xeeb ib cubic centimeter PC lens tsuas yog 2 grams, uas yog cov khoom siv sib dua tshaj plaws siv rau cov lens tam sim no. Lub chaw tsim khoom lens PC yog lub ntiaj teb ua lag luam Esilu, nws cov txiaj ntsig tau pom tseeb hauv kev kho lens aspheric thiab kev kho hardening.
