Hlau Ncej Xim Hloov Cov tsom iav tsom iav los tiv thaiv xiav lub teeb Photochromic Glasses Unisex Corrective Eyeglasses Reading Glasses

Multi-focus color-hloov tsom iav nyeem ntawv yog ib qho kev sib txuas ntawm ntau lub ntsej muag thiab xim hloov xim nyeem ntawv tsom iav, hauv qab no yog nws cov lus qhia ntxaws:
Multi-focus lub hauv paus ntsiab lus: Muaj ntau qhov chaw tsom rau ntawm lub lens, uas feem ntau muab faib ua thaj chaw deb, thaj chaw nruab nrab thiab thaj chaw nyob ze. Los ntawm cov qauv tsim tshwj xeeb, tus neeg hnav tuaj yeem tsom mus rau qhov sib thooj ntawm qhov chaw tsom mus rau thaum saib qhov kev ncua deb, qhov deb thiab qhov ze ntawm qhov khoom, kom ob peb lub tsom iav tuaj yeem pom cov khoom sib txawv nyob rau tib lub sijhawm, tsis tas yuav hloov cov iav ntau zaus.
Lub hauv paus ntsiab lus ntawm kev hloov xim: cov khoom siv tshwj xeeb lub teeb-sensitive, xws li nyiaj halide, ntxiv rau lub lens. Nyob rau hauv ntau qhov sib txawv ntawm lub teeb ultraviolet, cov ntaub ntawv photosensitive yuav raug tshuaj lom neeg, ua rau muaj kev hloov pauv ntawm lub lens xim. Thaum raug tshav ntuj los yog ib puag ncig ultraviolet muaj zog, lub lens yuav hloov xim sai sai thiab ua rau tsaus nti txhawm rau txhawm rau thaiv lub teeb ultraviolet ntau dhau thiab lub teeb muaj zog rau hauv qhov muag thiab tiv thaiv lub qhov muag; Thaum koj rov qab mus rau qhov chaw nyob sab hauv tsev lossis ultraviolet, lub lens yuav maj mam rov qab mus rau lub pob tshab lossis lub teeb xim.