Selecting Appropriate Glasses – Frame Size Really Matters

Selecting- Appropriate- Glasses – Frame -Size -Really -Matters
Selecting Appropriate Glasses – Frame Size Really Matters

Wondering about the numbers on the “temple arms” (the lengthy arms that extend over the ears on the sides from the hinge of eyeglass frames)? Are they significant? They are beyond a doubt. Check out the left temple arm inside part of your spectacles if you’re not sure what numerals we’re talking about. You’ll find the size measurements of your frames printed there. In most cases, the measurement is made up of these 3 numbers: 50-19-140.

The first number indicates the lens width; the second number is the bridge width (the distance between the nose over the lenses) measured in millimeters and generally divided by a little rectangle or dash, and the 3rd number reflects the length of the temple arm.

Why are these figures significant?

When you go to your optometrist for a pair of glasses or sunglasses, You’ve already seen that they take your face and head shape measurement, so it’s no wonder that properly-sized frames are crucial.

The width of your frames should fit the breadth of your face, from one of the articles of Business Insider Article: “How to Pick the Right Glasses for Your Face”, which means the glasses must not swing off the face sides (frame can be quite broad) neither sides of your temples must be a showcase as narrow. Similarly, your spectacles should look to be about in the center of your vertically considered face, creating a great balance from the bottom and face top.

Why-are- these- figures- significant
Why-are- these- figures- significant

Your brows (almost half) should be visible above the frames, and each eye must be located in the lens center, from right to left, with your eye filling the upper vertical half of the lens and the bottom of the eye nearly hitting the vertical lens midpoint. If your spectacles frequently slip down your nose, it’s an indication that the temple arms need to be curved over your ears to hold them in place.

How big are you?

Traditionally, it has been the responsibility of your eye care experts to size your glasses to fit your face. When you are first fitted for glasses, they will take a number of measurements and then make changes when your glasses come and you use them the first time.

This conventional technique isn’t necessarily viable nowadays, with the arrival of internet buying (even prescribed glasses may be ordered online if you have a prescription copy). Fortunately, most online shops offer advice on how to choose the proper-sized frames according to the shape of your face, as well as liberal return policies if you don’t get it right the first time.

Width of Lens

Ray-Ban, for example, has a unique technique of determining lens width:

  • Consider a credit card, about the same width as a typical lens.
  • Put one edge of the card in the middle of nose in front of a mirror or a webcam, and record the point where other edge rests.
  • Your lens fit should be normal size if the card’s edge finishes at or near the eye corner.
  • If the credit card’s edge goes over the eye corner, you should obtain a smaller size.
  • If the credit card’s edge does not reach the mouth corner, choose a bigger size.

Temple Arms

Temple arms of most frames are between 135mm and 150mm in length. Use the width on your existing glasses pair for correct sizing (provided they feel right and fit). If you’ve ever had issues with short temple arms, check for frames with 150mm and 145mm lengths. If you’ve had issues in the past with the long temple arms, seek frames with 140mm to 135mm lengths.

Temple- Arms
Temple- Arms

Bridge Width

Bridge width must be displayed on the left temple arm (inside part) if you have a current pair of glasses that fit well. It’s the number in the center, and it’ll most likely be between 16 and 21mm.

Use this number if your existing glasses are comfortable. Consider a larger bridge width if your present spectacles tweak your nose and drive high on the face. Consider a smaller bridge width if your existing glasses slide lower your nose and ride down on the face.

The thickness of the frame also affects how your glasses sit on your nose. Thick frames, for example, sometimes necessitate a greater bridge width compared to narrow frames. If the frames you want to buy are different from the ones you already have, you may need to alter the bridge width.

The Right Size

Glasses that suit your face are more valuable for you in aiding your eyesight and sunglasses for protecting your eyes from the sun rays. In addition to being more comfortable and fashionable, Cazal sunglasses & Optical Warehouse’s expert staff and electrician staff of opticians,(which also give  prescription safety glasses) ,optometrists, and other eye care professionals have been measuring eyeglasses and adjusting sunglasses for individuals in Greater San Diego for more than 30 years.

Eyeglass Right Size for Temples Behind Ears

Your eyeglasses’ temples are the long stems of the frames that link the front of the spectacles to the back of your head (just behind your ears).For your spectacles to fit comfortably and securely on your face, the temples must be the proper length. The length of the temples is measured in millimeters (mm), and most frames have temples that are between 120 and 150 mm long.

Here’s how to pick glasses with temples that are the correct length for your face and head size:

  • The temples of the frame should be long enough to bend downward at a 45-degree angle just below the tops of your ears. The temple should extend 30 to 45 mm beyond this bend point and be adjusted to fit to the curve of your head behind your ear. This will retain the frame in position without putting any strain on your ears, which might be uncomfortable.
  • If you choose a frame with temples that are meant to be absolutely straight (not bent behind the ear), the temples should extend beyond your ears and apply a little pressure on the back of your head to maintain the frame secure and comfortable.
  • If you buy a frame with temples that wrap around the back of the ears in a circular fashion (these are sometimes called “comfort cable temples” and are typically found on certain styles of metal frames or frames for very young children), the curved end of the temple should fit closely to the contour of the back of the ear without putting too much pressure on it.

Contact us now to learn more about how we might be able to assist you in finding a pair of glasses or sunglasses that are both functional and fashionable.


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