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Buying Guides for Prescription Eyeglasses

  • How to Measure Pupillary Distance (PD) at Home

    Step-by-step mirror method, average PD ranges, dual PD explained, and FAQs for ordering prescription glasses online.

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  • What information do I need to provide?

    Not sure what to prepare before ordering glasses? See the exact prescription, PD, lens and frame details needed to order correctly from cinilyglasses.com.

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  • How to Read Your Eye Prescription

    Confused by your eye prescription? Our CINILY specialists explain SPH, CYL, and AXIS to help you find glasses for your prescription and daily needs.

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  • How to Choose Prescription Lenses

    Not sure which prescription lenses to choose? Compare single vision and progressive lens options for screen use, outdoor wear and everyday comfort at Cinily.

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Eyeglasses FAQs