You can easily find your size with your credit card. The width of a normal credit card is comparable to the Medium size of a frame.
Stand before a mirror with your face straight. Hold the credit card vertically and place it at the centre of your nose as in the pictures below.
Small
If the card ends before the edge of the eye, your size is SMALL
Medium
If the card almost touches the edge of the eye, your size is MEDIUM
Large
If the card doesn’t reach the edge of the eye, your size is LARGE
Know your frame
How do I identify my size from the numbers?
FRAME SIZE
WIDTH
Small
Less than 48 mm
Medium
49 mm - 54 mm
Large
55 mm & more
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