Chaw Ua Haujlwm 14
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Opto Tech Office 14 Progressive Lenses
Feem ntau, lub chaw ua haujlwm lens yog qhov kev nyeem ntawv zoo tshaj plaws nrog lub peev xwm kom pom kev pom meej hauv nruab nrab.Qhov siv tau nyob deb tuaj yeem tswj tau los ntawm lub zog dynamic ntawm lub chaw ua haujlwm lens.Lub zog ntau dua lub lens muaj, qhov ntau nws tuaj yeem siv tau rau qhov kev ncua deb.Ib qho kev pom kev nyeem ntawv tsom iav tsuas yog kho qhov kev nyeem ntawv deb ntawm 30-40 cm.Hauv khoos phis tawj, nrog kev ua haujlwm tom tsev lossis thaum koj ua si ib qho cuab yeej, kuj yog qhov kev ncua deb yog qhov tseem ceeb.Ib qho kev xav tau degressive (dynamic) lub zog ntawm 0.5 txog 2.75 tso cai rau qhov pom kev deb ntawm 0.80 m txog 4.00 m.Peb muab ntau lub lenses uas tau tsim tshwj xeeb rausiv computer thiab chaw ua haujlwm.Cov lo ntsiab muag no muab kev txhim kho nruab nrab thiab nyob ze ntawm thaj chaw saib, ntawm kev siv hluav taws xob nyob deb.