What does 55 mean in sunglasses?

What does size 55 glasses mean?

The numbers beneath the frames reflect the SIZE MEASUREMENTS in millimeters (mm). THE FIRST NUMBER (ex.54) = the width of the lenses. THE SECOND NUMBER (ex.15) = the distance between the lenses. THE THIRD NUMBER (ex.140) = the length of the temple arm including the portion going behind the ear.

What do sunglass numbers mean?

Answer: They’re size measurements in millimeters.

They’re measurements. The first number (e.g. 52), is the width of the lenses. The second number (e.g. 20) is the distance between the lenses. And the third number (e.g. 135) is the complete length of the temple arm, which includes the portion that goes behind your ear.

How do I know my size in sunglasses?

You can find your sunglasses size by measuring your face for the best fit. Take a ruler and measure the distance between your left and right temples and the distance from your hairline to the bottom of your chin. Then, measure the width of your forehead from one side of your hairline to the other.

What is the difference between 52mm and 55mm sunglasses?

52mm is the smallest and the lens “tilts” the most. 55mm is the standard fit and will fit most adults just fine.

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How do I choose sunglasses?

Sunglass Selection Tips

  1. Don’t settle for less than 100% …
  2. Darker sunglasses don’t always mean they offer more UV protection. …
  3. Polarized lenses reduce glare, but don’t block UV rays. …
  4. Do a lens quality check. …
  5. Size does matter. …
  6. Color doesn’t matter. …
  7. Think of impact protection when buying sunglasses.

How do I choose glasses frame size?

The width of your frames should not be wider than the width of your face at the temples. The top of your frames should be no higher than the line of your eyebrows. The lower edge of the frames shouldn’t sit on your cheeks otherwise they will start to rub against your skin and cause irritation.

What does 58mm mean for sunglasses?

When the sunglass size is indicated as “58mm”, this refers to the width of one of the lenses in the sunglasses. Above you see an image and the size “58mm” is measurement “A”, or the width of one of the lenses at it’s widest point.

What does 51mm mean in glasses?

The letters represent the type of frame HR for Half-Rim, FR for Full-Rim or NHHR for Non-Hinged Half-Rim. The first two numbers represent the width of the lens (51 means a lens width of 51 mm.)

What sunglasses fit my face?

Ideofit is powered by a sophisticated augmented reality (AR) technology which allows smooth transitions between models and amazingly quick fitting of glasses to your face. Trying sunglasses prior to buying them in the comfort of your home is no longer impossible.

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What are Category 3 sunglasses?

Sunglasses

Lens category Description
Lens category 3: General purpose sunglasses These provide high protection against sunglare and good UV protection; they are not suitable for driving at night or under dull light conditions.

What do the 3 numbers mean on glasses?

1) The eye size number (it is the size of the lenses on your frame). 2) The bridge size number (the distance between the lenses). 3) The temple length number (it is the size of that part of your eyeglass frame, which rests upon your ears).

Can I drive with Category 3 sunglasses?

Sunglasses with category 3 lenses are best for daytime driving conditions — any higher is considered too dark to drive safely. … These range from polarising lenses to tints that help to improve contrast perception. Learn more about UV protection and sunglasses categories here.