● Cov lo ntsiab muag Progressive kuj tseem nrov ntawm cov neeg uas xav tau kev pom kev deb thiab nyob ze ntawm kev kho qhov muag, xws li cov neeg ua haujlwm nrog khoos phis tawj lossis xav tau nyeem ntawv ntev. Nrog rau cov lo ntsiab muag ua tau zoo, tus neeg hnav tsuas yog yuav tsum txav lawv lub qhov muag ib txwm, tsis txhob tig lub taub hau lossis kho lub cev, kom pom qhov zoo tshaj plaws. Qhov no ua rau lawv zoo tagnrho rau kev siv txhua hnub, raws li tus neeg hnav tuaj yeem hloov tau yooj yim los ntawm kev pom cov khoom nyob deb mus pom cov khoom nyob ze yam tsis tas yuav hloov mus rau cov iav sib txawv lossis lo ntsiab muag.
● Muab piv nrog cov lo ntsiab muag zoo tib yam (9 + 4mm / 12 + 4mm / 14 + 2mm / 12mm / 17mm), qhov zoo ntawm peb qhov kev tsim kho tshiab yog:
1. Peb qhov zoo tshaj plaws tsim nto tuaj yeem ua rau kev hloov pauv ntawm astigmatism smoothly nyob rau hauv qhov muag tsis pom kev kom txo tau qhov tsis xis nyob ntawm hnav;
2. Peb qhia txog kev tsim aspheric hauv thaj chaw deb siv los them nyiaj thiab ua kom zoo rau lub zog focal peripheral, ua rau lub zeem muag hauv thaj chaw deb siv kom pom tseeb.