1.59 PC Blue Block Bifocal Lens
Vim li cas Polycarbonate Lenses?
Nyias thiab sib dua li yas, polycarbonate (kev cuam tshuam-resistant) lo ntsiab muag yog tawg-pov thawj thiab muab 100% UV tiv thaiv, ua rau lawv xaiv zoo rau cov menyuam yaus thiab cov neeg laus ua haujlwm.Lawv kuj zoo tagnrho rau cov tshuaj muaj zog vim lawv tsis ntxiv cov tuab thaum kho qhov muag, txo qis kev cuam tshuam.
Bifocal Lenses ua haujlwm li cas?
Bifocal eyeglass lo ntsiab muag muaj ob lub lens lub zog los pab koj pom cov khoom ntawm txhua qhov kev ncua deb tom qab koj poob peev xwm hloov pauv qhov tsom ntawm koj lub qhov muag vim muaj hnub nyoog, tseem hu ua presbyopia.
Vim qhov kev ua haujlwm tshwj xeeb no, cov lo ntsiab muag bifocal feem ntau yog muab rau cov neeg muaj hnub nyoog tshaj 40 xyoo los pab them nyiaj rau lub ntuj degradation ntawm lub zeem muag vim kev laus.
7.5 teev / hnub
7.5 Teev yog lub sijhawm tshuaj ntsuam niaj hnub nruab nrab peb siv ntawm peb cov ntxaij vab tshaus.Nws yog ib qho tseem ceeb uas peb tiv thaiv peb lub qhov muag.Koj yuav tsis tawm mus rau hnub ci tshav ntuj yam tsis muaj looj tsom iav dub, yog li vim li cas koj thiaj tsis tiv thaiv koj ob lub qhov muag ntawm lub teeb uas koj lub vijtsam tawm?
Lub teeb xiav nqus
Lub teeb xiav feem ntau paub tias ua rau "Digital Eye Strain" uas suav nrog: qhov muag qhuav, mob taub hau, qhov muag tsis pom kev, thiab ua rau tsis zoo rau koj pw tsaug zog.Txawm hais tias koj tsis paub qhov no, koj ob lub qhov muag tseem cuam tshuam los ntawm lub teeb xiav.
Blue Light Blocking Bifocal Lens
Blue light blocking bifocal lo ntsiab muag muaj ob lub zog sib txawv hauv ib lub lens, muab rau cov neeg uas hnav lawv cov txiaj ntsig ntawm ob khub iav hauv ib qho.Bifocals muab kev yooj yim vim tias koj tsis tas yuav nqa ob lub tsom iav.
Feem ntau lub sijhawm hloov kho yog qhov tsim nyog rau cov neeg siv khoom tshiab bifocal feem ntau vim yog ob daim ntawv tshuaj hauv ib lub lens.Sij hawm dhau mus, koj ob lub qhov muag yuav kawm kom txav mus los tsis yooj yim ntawm ob daim ntawv tshuaj thaum koj txav los ntawm ib txoj haujlwm mus rau lwm qhov.Txoj hauv kev zoo tshaj plaws kom ua tiav qhov no sai yog los ntawm kev hnav cov tsom iav tshiab bifocal nyeem ntawv ntau li ntau tau, yog li koj ob lub qhov muag tau siv rau lawv.
