How do I know my glasses Size

How do I know my glasses Size?

When it comes to choosing the perfect pair of eyeglasses or sunglasses, understanding the size of the frames is crucial for comfort and style. Glasses come in various shapes and sizes, and knowing how to identify the right fit is essential. In this guide, we'll walk you through the key aspects of identifying the size of glasses frames.

In the previous article, we discussed “Do semi-rimless glasses look good?“. In this article, let’s talk about “How do I know my glasses Size?”.

How to identify the size of the glasses?

The size of your glasses is made up of three numbers in millimeters, like 45, 20 to 135. The first number is the size of the eye, which measures the width of a lens. The first number is the horizontal width of the lens.The eye size of most frames will be 44 to 62 mm. The second number indicates the width of the bridge or the distance between the lenses. The third number, the temple length, tells you how long the arm of the glasses is.


The size matters a lot.

If you have frequent headaches, it might mean your temples are too tight. Your arms shouldn't be right behind your ears, but you don't want any wiggle room either. Lens height is important when determining which bifocals or progressive lenses you need. Ultimately, you don't need to worry about your lens height unless you need both types of glasses. Most importantly, the bottom of your frames should not rub against your cheeks.

Measure with a soft ruler.

Especially when it comes to buying glasses online. You can get it by yourself or have it done by an optician. Look in your glasses for a string of numbers. Eyewear manufacturers make eyewear products that have a string of numbers on the inside of their temples. Glasses makers may classify additional information with the size, like words or symbols, but you only need three major numbers to determine your size. Use a ruler to get the size of your glasses and sunglasses if you can't find any numbers or specs on your old sunglasses or glasses. Sunglasses tend to be larger than regular glasses, so the size of your sunglasses is not possible the same as the size of your glasses, even if they use the same size. With sunglasses, you can choose from a wider range of sizes because measuring doesn't need to be as precise. The glasses will still fit perfectly within 2-3 millimeters.

Use your credit card to select the size.

Stand in front of a mirror, or hold your smartphone in a fixed place. And use your selfie camera. Place the credit card under the bridge of your nose and your eyebrows. If the edge of the card is above the outer edge of the eye, select a small size. If the edge of the card is at the outer edge of the eye, select a medium size. If the edge of the card is within the outer edge of the eye, select a large size.

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