With data from more than a third of the month of May in view, the GPN x EB Optometric Business Tracker data reveals that frames, lens, and contact lens sales (as well as exams and overall patient payments) are down compared with the same period in May 2019—before the pandemic. However, the month of April 2021 saw increases in frames, lenses, and overall patient payments compared with the same time frame pre-pandemic.
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机译：在可能的可能性中，来自可能的多个月三分之一的数据，GPN X EB验光业务跟踪器数据显示，与同一时期相比，框架，镜头和隐形眼镜销售（以及考试和总体患者付款）下降 2019年5月 - 大流行前。 然而，与同一时间框架预见的相框相比，4月2021年4月2021年的框架，镜片和整体患者付款增加。
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