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1.59 PC Bifocal Invisible Blue Cut HMC Optical lenses
Cov tsom iav bifocal lossis cov tsom iav bifocal yog cov tsom iav uas muaj ob thaj chaw kho tib lub sijhawm thiab feem ntau yog siv los kho qhov muag presbyopia. Thaj chaw deb uas lub tsom iav bifocal kho hu ua thaj chaw deb, thiab thaj chaw ze hu ua thaj chaw ze thiab thaj chaw nyeem ntawv. Feem ntau, thaj chaw distal loj, yog li nws kuj hu ua zaj duab xis tseem ceeb, thiab thaj chaw proximal me, yog li nws hu ua zaj duab xis qis.
