Complete Guide About Glasses Frame Measurement

Eyeglasses Frame Measurement

Clarity and style undoubtedly matter while selecting eyeglasses but fit are also equally important.

Most of the time customer focuses on just the look, neglecting the fit. You are ahead of the race if you already have a pair of glasses that fits you well as you can compare the frame dimensions and buy the new pair.

However, the good news is, frame buying is not an uphill struggle even for first-time frame buyers as we are here to simplify your task of glasses measurements.

We are offering you a complete guide to understand frame measurement and pick perfectly fitting eyeglasses:

Frame dimensions:

Know your frame measurement

Most of the time, you can notice glass measurements numbers engraved on the inside part of the temple arm. Usually, the number appears as 52-17-136 in which the first number 52 mm indicates lens width, centre number 17 mm is the bridge width, and the last number 136 mm is the length of the temple arm. Some frames also have a fourth number which refers to the lens height.

Let’s understand the frame dimensions –

Lens width It is the horizontal width of the frame’s lens which is measured in millimeters. It covers the furthermost end of both sides of the frames. Lens width usually ranges from 40 mm to 60 mm.

Bridge width – The bridge size is the distance between the two lenses (the space below the nose bridge). The distance is measured in millimeters and generally ranges between 14 mm to 24 mm.

Temple arms – It is the length of the temple, from one end to another (also in the case of bended temple arms). The temple length often ranges between 120 mm and 150 mm.

Lens height – It is the vertical height of the eye frame measured in millimeters. In the case of progressive lenses or bifocal lenses, the height is expected to be at least 30 millimeters.

all about eye frame measurment

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How to measure yourself?

In case if there are no measurements of eyeglass written on the frame, then you can go for the DIY measurement. You just need a measuring tape to accurately measure the frame size.

Frame width – You need to measure the eyeglasses in a horizontal manner. Consider the entire front of the frame while measuring.

Bridge measurement – It is measured at the top of the bridge, from one edge of the lens to another.

Temple arms – You have to consider the total temple arms, starting from the point where the arm is connected to the lens to the end around the ears. Measure it in millimetres.

Lens height – The lens is measured vertically at the tallest point. The measurement is taken from the top to the bottom of the frame’s lens aperture.

Some helpful tips to find the perfect frame:

Tip 1: Make sure that the top of your frames should not sit higher than your browline, and the width of your frames should not be wider than the face width at the temple. Pick the frame wisely as the frame too narrow will make your face look wider, while a bit wider frame will make your face look narrower.

Tip 2: Keep the face shape and size in mind. A thumb rule is to choose a size proportionate and shape that contrasts your face.

Tip 3: While picking a frame make sure the pupils of your eyes align properly at the centre of the lenses, considering all glasses measurements, for a comfortable vision.

Find your ideal fit:

Every individual has a different shape and size of face, hence the fit may also differ. To look superior, choose suitable frame size.

Here is the varied frame range based on eye size/lens width:

  • Small frame (S) – 40 mm – 50 mm
  • Medium frame (M) – 51 mm – 54 mm
  • Large frame  (L) – Above 55 mm

This guide is surely going to help you to get an accurate and desirable frame for your eyes. So why wait, shop now!


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