Eyewear Knowledge Q&A
Professional answers on frames, lenses, eye exams, wearing tips and buying eyewear. Browse by category or search by keyword. For general reference only — not a substitute for a professional eye exam, prescription review or medical advice.
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FAQ
Do you accept vision insurance or FSA/HSA?
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Orders & Shipping
Shipping Times & Tracking
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Frame Guide
How to Measure Your Pupillary Distance (PD)
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Lens Guide
1.60 vs 1.67: Choosing Your Lens Index
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FAQ
Can I order lenses only for my own frames?
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Orders & Shipping
30-Day Returns & 365-Day Warranty
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Lens Guide
Blue Light Filtering: What It Does (and Does Not) Do