Size guide
Your frame measurements (mm)
54-17-145
Frame size is determined by the three key measurements found inside the frame arm: lens width (from 31-60mm), bridge width (from 12-31mm), and arm length (from 115-155mm).
Your lens height (mm)
39
Lens height is essential for multifocal prescriptions, such as Progressives, which require a minimum measurement of 28-30mm. They are also recommended for Rx sunglasses.
Tortoise
Size:
Medium
$23
$11
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54mm
17mm
145mm
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132mm
39mm
Medicine Hat's streamlined D-frame design will flatter faces with round jawlines and soft facial features, best for small to medium faces.
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