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How to know your Face Size?
1. CREDIT CARD METHOD

2. Ruler Method (Accurate Measurement)
Measure your face width to know your size
Measure from point a to b with a ruler as shown in the
diagram below. This will be your face width

3. if you've existing eyeglass
Do you own a pair of sunglasses that fits you well?
Check the number on the temple arm as shown in the diagram to know the lens width

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