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Choosing the right eyewear can be a complex process. This guide will help you find your best match. All eyewear has different functional and aesthetic characteristics, so we use three pieces of information to determine the following:
If you need help finding the right size, try our Size Advisor:
The size of the frame counts as functional information, which is defined by one principal number:
This information defines the following sizes:
| Hinge to hinge (in) | Hinge to hinge (mm) | Size |
|---|---|---|
| <4.8 | <121 | XXS |
| 4.8-4.9 | 121-124 | XS |
| 4.9-5 | 125-128 | S |
| 5.1-5.2 | 129-132 | M |
| 5.3-5.4 | 133-136 | L |
| 5.4-5.5 | 137-140 | XL |
| >5.5 | >>140 | XXL |
Try our Size Advisor and we'll measure it for you! Or, you can use a ruler to measure the hinge-to-hinge distance of a pair of glasses that you already own.
If you already own a pair of glasses, you’ll find numbers engraved on the inside of the eyewear temple. These numbers indicate the following:
The first number is the model name, followed by the lens width and bridge width.
There is usually a third number that represents the temple length, or the measurement of the "arms" of your frame.
Sometimes there is a fourth number that indicates the lens height.
Each of these numbers is measured in mm.
Fitting is aesthethical information which determines the amount of face coverage for a given size.
The frames shown in the image are all the same size but each one has a different fit.
The three possible fittings are:
The four bridge and nosepads options are:
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PRADA
PR B15S
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Choose your vision need and add your prescription.
Select lens type and thickness, then add specialized treatments.
Enjoy through aftercare with our 30 day happiness guarantee.
Frame
Material: Acetate
Shape: Irregular
Color: Root Tortoise
Product measurements
Size: 51 - 21 One size only
Lens width: 51 mm / 2.01 in
Bridge width: 21 mm / 0.83 in
Temple length: 145 mm / 5.71 in
Lens
Treatment: Solid Color
Color: Light Brown
Prada PR B15S sunglasses redefine the boundaries of style and performance integration. These irregular-shaped frames are crafted from high-quality acetate, known for its durability and lightweight comfort. The polished root tortoise color adds a unique touch to the overall design, while the light brown solid color lenses provide excellent protection against harmful UV rays. Embrace your individuality with these stylish shades from Prada that will elevate any look. Available with prescription lenses.
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