How to Measure Glasses Size for a Perfect Fit in Simple Step

Syght glass is your go-to online store for anti-blue-ray eyeglasses, helping people protect their eyes in style while offering a wide selection of glasses. Whether you’re working long hours in front of a screen or just want to safeguard your vision, Syghtglass has you covered.

Finding glasses that fit just right isn’t as complicated as it seems. Whether you’re checking your current pair or picking out a new set, measuring your glasses size can help you find the best fit. Here's how to do it, step by step.

Step 1: Find the Measurements on Your Current Glasses

Most glasses have size info printed on the inside of one of the temple arms. You’ll see three numbers like 50-18-140. These show the lens width, bridge width, and temple length.

What You’re Looking For:

Lens Width: This is how wide the lens is, usually 40-60 mm.
Bridge Width: This is the space between the lenses that sits on your nose, typically between 14-24 mm.

Temple Length: These are the arms of the glasses, from the hinge to the tips, usually between 120-150 mm.

Step 2: Measure the Lens Width

Grab a ruler or a measuring tape and measure the width of one lens, from one side to the other. Usually, lens widths are between 40-60 mm.

Tip:

Only measure the lens itself, not the frame around it.

Step 3: Measure the Bridge Width

Next, measure the bridge—the space between the lenses that rests on your nose. It’s usually between 14-24 mm. Just use a ruler or tape measure across this area.

How to Measure:

Focus only on the space between the lenses, not the full width of the frame.

Step 4: Measure the Temple Length

Now, let’s measure the temple length. This is the part that goes over your ears. Use your ruler to measure from the hinge to the tip of the arm. Temple lengths usually range from 120-150 mm.

Quick Tip:

Temple length is important to make sure the glasses don’t feel too tight or too loose behind your ears.

Step 5: Make Sure They Fit Comfortably

Once you have your measurements, check them against a standard size chart. You want to make sure your glasses aren’t pinching your nose, pressing your temples, or sliding down your face. A comfortable fit is key.

Things to Keep in Mind:

Lens Width: Check if it works for the width of your face.
Bridge Width: Make sure it sits just right on your nose.
Temple Length: The arms should rest comfortably without squeezing behind your ears.

Step 6: Use Your Measurements When Shopping Online

When you shop for glasses online, use the measurements you’ve got to compare with the frame sizes available. This will help you pick a pair that fits comfortably and looks good.

Pro Tip:

Most online stores show measurements for their frames, so matching yours with theirs is a good idea for a perfect fit.

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Lens Type	Processing Time
Non-Prescription Clear Glasses	1-2 Business Days
Photochromic (Transitions)	2-4 Business Days
Single Vision, Reading - Regular Rx	2-4 Business Days
Single Vision - Strong Rx	3-6 Business Days
Multifocal (Progressive)	4-7 Business Days
Prescription Sunglasses	3-6 Business Days