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How To Find Lens Height On Glasses

Measure Yourelf To Determine Your Frame Size

Segment Height for Lined Flat Top Bifocal Lenses

Below are instructions on how to determine the best frame size for your face.

  • Looking into your mirror, hold a ruler so it is lined up with your temple.
  • You can put a pen or pencil in each ear to help position each ear.
  • Measure in inches the distance between your left and right temples.
  • Frame size is measured in millimeters. To convert inches to millimeters, multiply inches by 25.4 .
  • You must only order a frame in which its size is within +/- 3 of your size.

How To Read Your Frames

How do you measure your eyeglasses size? If you take a look on the inside of your current pair of you glasses, you may notice 3 sets of numbers. Sometimes it is found on the arms or on the bridge . Those set of numbers, are your glasses frames measurements. The first number is your lens width. The second number is the bridge measurement. The third number is the temple bar length.

Sometimes, from normal wear and tear, the numbers have rubbed off. You can measure your current glasses size to figure out its dimensions.

First you would measure the lens width. Lens width is the horizontal width of each lens at its widest point. It typically ranges from 40mm-62mm. If you are sporting an aviator, the lens width may be larger than 60mm and thats ok!

You would then move onto the bridge width. This is the distance between your two lenses. In short, the bridge width is the space where your frames fit against your nose. The size can range from 14mm to 24mm.

Next is the temple length. This is the length of the temple bar from screw to its temple tip. This includes the bend that sits behind your ear. This measurement can range from 120mm to 150mm long.

Lastly, if you are going to be needing a bifocal or progressive lens, you would need to measure the lens height. This is the vertical height of the lenses at the widest point of the lens within the frame. If the lens height is less than 30mm, it is not an ideal frame to use for progressive lenses.

Measure The Lens Width

Lens width is the width of your lens counted from one side to the other and horizontally. The number is counted in millimeters, and it can be somewhere between 40 to 60 millimeters. Sometimes, people also call lens width eye size.

While measuring the lens width of your spectacles, it is crucial to keep in mind that you only need to measure the lenses . You can estimate all the numbers of your eyeglasses by using a metric tape measure.

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Put On Your Glasses On

Wear them the way you would like them to fit for example, if you usually lower them on your nose in order to see better, move them up into a comfortable position. Stand in a relaxed posture that feels natural. This ensures we can calculate your segment height based on your typical posture and neck position.

Finding The Frame Dimensions

Rimless Sunglasses Prescription Eyewear Polarized
  • 1Measure the width of the frame from top right to top left. Hold your ruler in front of the glasses frames and measure the horizontal distance between the farthest-apart points of the glasses. In nearly all cases, this will be the distance between the outside corners of the 2 hinges on the top right and left corners of the frames.
  • Measuring the glasses in this way will give you the frame width. Frame width measurements can vary between 110150 millimetres .
  • 2Take the measurement of the small bar that goes above your nose. This part of the frames is known as the bridge. It covers the bridge of your nose and connects the 2 lenses together. Calculate the bridge distance by measuring on top of the bridge of the glasses from where it intersects with the outside edge of 1 of the lens frames to where it intersects with the other lens frame.XResearch source
  • When purchasing new glasses, its important that you measure the bridge width as accurately as possible. Try to be accurate to within 2 millimetres . This is important since the glasses wont fit on your face if the bridge measurement is off.
  • Bridge measurements typically only vary between 525 millimetres .
  • Depending on the size of your glasses, the temple arm measurement can vary from 118150 millimetres .
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    What Do My Glasses Measurements Mean

    The measurements of your glasses are the dimensions of the frame, typically written in millimetres. The first number shows the diameter of the lenses. The second number indicates the width of the bridge and the third number shows the length of the temple/arms. Here is a short guide on how to understand these numbers.

    What Else Should I Measure

    One more easy measurement to calculate is your frame width. This is the distance between the ends of your frames, including hinges. This number can be handy so you know if your frames are too narrow or too wide for your face.

    You can also measure your pupillary distance. This is an especially important number to know when getting fitted for progressive lenses and can save you a lot of eye strain.

    When you know your measurements, you can make sure your next pair of glasses fits great.

    Page published on Tuesday, September 24, 2019

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    Measurements For A Frame

    A frame has 4 basic frame sizes :

    • Eye Size – refers to the horizontal width in millimeters of one of the frame’s lenses.
    • Bridge Size – measurement is the distance in millimeters between the two lenses. It is measured between the two closest points of the two lenses.
    • Temple Size – is measured along the length of the temple, from one end to the other, including the bend.
    • Vertical Size – refers to the vertical height of an eyeglasses lens, and is measured from the tip to the bottom of the lens aperture of the frame. The measurements are taken from a horizontal line intersecting with the top of the lens, to the horizontal line intersecting with the bottom edge of the lens. The B measurement is only important when ordering multifocal lenses follow this link to read more about progressive lenses.

    Find Your Bridge Measurement

    How To Find Your Frame Size? | GlassesUSA.com

    Look in the mirror or take a side-profile selfie to see where your nose bridge starts and how wide or narrow your nose is.

    If your bridge is low or narrow, your bridge size will be a low number . If it is high or wide, you will need a larger bridge number .

    Our low bridge fit glasses are designed specifically for people with a low nose bridge, high cheekbones, or wide faces.

    Find more tips on choosing glasses for your bridge fit size below.

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    Can I Use My Current Pair Of Glasses To Find My Bridge Measurement

    Yes! If you currently wear acetate frames, your bridge measurement should be printed right on the glasses. You can usually find this number either along the arm or the nose bridge itself.

    Traditionally, the middle number corresponds to the bridge measurement and ranges between 16-21mm on most glasses. If your frames fit well, this number will work for you across the board.

    How To Determine Glasses Frame Size

    Though its best to find the right-sized frame in person, its not always possible, right? So we often have to order it online. In that case, its a bit tough to determine the glasses frame sizes perfectly. But I have one hack for you.

    Stand in front of any mirror holding a ruler in your hand and hold it straight so its in line with your face and temple. Then measure the approximate distance between temples. If the number is in any unit but millimeters, convert it to mm.

    After measuring your face, determine whats the frame width you want. That would be the summation of three things. Width of two lenses and the length of the bridge. And there you go, the number you got should be your glasses frame size. It might vary slightly by one or two mm.

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    Getting To Know Your Frame Size

    Again, its always important to determine which size frames are appropriate for you to guarantee that your pair of eyeglasses fit flawlessly. The best place to begin is with the dimensions of your current pair of glasses. You may see some numerals on the arms or the bridge. The frame model, color code, and dimensions are frequently included in these statistics. All glasses frames include information regarding various frame dimensions printed on them. These measurements are typically printed on the inside of the arms, but they may also be placed on the rear of the bridge or the inside of the nosepiece of your spectacles.

    The initial numbers we need to find will always be in a three-digit series, such as 53-20-140. These numerals can be represented as a-b-c to make them easier to remember. A tiny rectangular shape may be present between the digits a and b, making them simpler to distinguish. The lens diameter is the number on the left side of the rectangle, or a in the sequence. The lenss width is at its widest point, measured in mm.

    The bridge width is the number on the right side of the sequences rectangle or b. The bridge width is critical for a properly fitting pair of glasses. Finally, c is the length of your glasses arms. For a similar feel and fit, match measures a and b to your new spectacles.

    Whats Your Face Shape

    How to Measure Glasses?. Eye Size (Lens Width) is the horizontal

    Did you know that a person replaces their glasses every three years on average? When its time to acquire new glasses, be sure theyre in the proper shape! Understanding which ones are perfect for you may really assist bring out your distinct face characteristics with so many options. Many consumers only replace their eyeglasses every few years due to the estimated cost in many sales outlets. Most consumers want to get the most use out of each pair of glasses they purchase. Many frame manufacturers may occasionally surpass $1,000, so most users try to get the most out of each pair of glasses they buy. It also means that choosing a frame that is a touch out of your comfort zone may be a costly affair.

    The common categories of face shapes include square, round, heart, triangular, and oval. Its easy to figure out your facial shape, and there are two methods. The recommended way is to look in the mirror and trace your facial form with either lipstick or an erasable pen. The other option is to take a picture of yourself and then trace the form of your face with tracing paper.

    Now that you know what sort of face shape you have, you can look through our specific recommendations to discover which style would suit you best.

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    Choose The Size Of The Frame Wisely:

    The most fundamental rule when the matter comes to choosing the right size of your frame is that neither it should be too small or too large when you put it on your face. A frame that looks big on you would be also heavier and you will feel uncomfortable. One more disadvantage of such big-sized frames is that they make your eyes look smaller than usual. In order to check whether you are wearing the correct sized frame, make sure that you should not be able to look out of the bottom or top and from the sides of the frames without looking through that area. Also, the lenses should shield around 80 to 90% of the area of your vision.

    Virtual Try On Application

    We have developed a patented Virtual Try On application so you can upload your photo and virtually “try on” most of our frames and see how the size looks on you before you buy. You may feel that it is necessary to try on glasses before you buy them. However, unlike a shirt that you cannot alter to fit your body, glasses can be adjusted to fit your face. Read more about eyeglasses fit. We have a liberal return policy, so feel free to order some eye glasses online, and then return the ones that you dont like within thirty days for a full refund . We do not charge a restocking fee unless you want to order a large number of frames on approval. If you are unsure of a color, or which size of a frame to order, this is a great way to be sure and to see the frames on your face in your own home and take your own time to decide.

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    Finding The Right Sized Glasses & Sunglasses

    A guide to understanding the frame measurements on your eyeglasses.

    If you’re buying a new pair of glasses or sunglasses online you need to know the correct frame size for you in order to ensure the perfect fit. Fortunately, if you’re an existing glasses wearer it’s easy to find this information on your current frames. In this handy guide we’ll give you all the information you need to know to ensure your buying experience is hassle free.

    How Does Frame Thickness Influence Your Bridge Measurement

    How to Measure Pupillary Distance and Segment Height for Lead Glasses REV1, 8-13-2014

    Bridge measurement is measured from the inside of the frame, which means a thick-rimmed frame with the same bridge size as a thin-rimmed frame will not fit the same.

    For example, if you know your bridge is 17mm and youre looking at a chunky frame with a 19mm bridge, it is very likely that it will be a suitable size for your bridge because it takes into account the extra rim.

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    Measuring The Width Between Your Temples

  • 1Measure your temple-to-temple width using a mirror and ruler. Hold the ruler horizontally across your face and below your eyes. Measure the distance between left and right temples. Record the measurement in millimeters.
  • 2Use your temple-to-temple width to find the total width of your glasses. The total width of your glasses should correspond as closely as possible to your temple-to-temple measurement.
  • For example, if your temple-to-temple width was 132 millimetres , then you should look for a pair of glasses with a width in the 130134 millimetres range.XResearch source
  • 3Calculate your lens width using nose width and total width. Knowing the total width can also help you determine the proper lens width. Subtract 6 millimetres and your bridge width from the total width and this will give you your lens width.
  • Lenses typically range between 5060 millimetres .XResearch source
  • How To Buy The Same Measurements As Your Current Frame

    All glasses frames have information printed on them about various frame measurements. You can usually find these measurements on the inside of the arms, or you might find your glasses have these values printed on the back of the bridge or the inside of the nose piece.

    The first numbers we need to look for will always be in a sequence of 3, for example, 53-20-140. We can represent these numbers as a-b-c in this article, just so its easier to understand. Sometimes there will be a small rectangle shape separating numbers a and b, making them easier to spot.

    The number on the left side of the rectangle, or a in our sequence, is the lens diameter. Its the length of the lens at its widest point, measured in millimetres. The number on the right side of the rectangle, or b in the sequence, is the bridge width. This is the distance between the two lenses the part that fits on your nose. As mentioned earlier this number is really important for a well-fitting pair of glasses. Finally, c is the length of the arms on your glasses. Just match measurements a and b to your new pair of glasses for a similar fit and feel.

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    Best Way To Find What Frame Size I Need

    In most cases, if you’re looking to purchase an eyeglass frame you should use the size from a previous eyeglass frame you’ve owned. If you’re looking to purchare a sunglass frame then you should use the size from a previous sunglass frame you’ve owned.

    The best thing to do is go to a local store try-on some frames until you either find a frame you like then come back to our website to purchase that frame. If you find a frame you like make sure you look on the inside of the temple to find the model number and the size since frames do come in multiple sizes.

    How To Measure Glasses Yourself

    Glasses Frame Measurements  Finding The Right Fit

    If you cannot find the measurements listed on the arms of your glasses, you can measure them yourself.

    You will need a tape measure or a ruler. Make sure to measure all of the following:4

    • Entire frame size

    When measuring the entire length of your glasses frames, start with one frame and measure from its hinge to the outside hinge of the other frame.

    To measure the width of the two lenses from the entire frame length, measure the bridge width first. Then subtract that number from the entire eyeglass frame and divide it by two to get the width of each lens.

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    How To Measure Eyeglasses: Finding The Right Frame Size

    For optimal comfort and practicality, finding the right frame size for your eyeglasses is crucial. If a person has never worn glasses and cannot reference an older pair, the lens width, bridge width, temple width, and lens height all factor in correctly measuring a pair of eyeglasses.

    Taking measurements of the wearers face is equally important for a comfortable fitting pair of eyeglasses.

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