The right size frames
With thousands of frames to choose from, how do you choose a pair of glasses that will fit correctly? On this page, you'll learn two methods for choosing a great-fitting frame, without having to try them on first. These tips are extremely handy if you are considering purchasing your next pair of glasses on the internet. If you do decide to buy online, it is advisable to choose a supplier that offers an exchange or return service, just in case!
Calculate Your Frame Width
Determining your frame width is crucial for selecting glasses that fit well and look great. It's a simple step that guides you to the ideal eyewear size for optimal comfort and style. Follow these steps for a perfect fit:
Measure the width of one lens to find your eye size. Multiply your eye size by 2.
Measure the width of the bridge (the part over your nose).
Add 11mm to account for the frame's arm width from the front.
Example: If your eye size is 50mm and your bridge width is 20mm:
Double Eye Size: 50mm x 2 = 100mm
Add Bridge Width: 100mm + 20mm = 120mm
Add for Arms: 120mm + 11mm = 131mm
Your ideal frame width is 131mm(+ or - 4mm for flexibility).
Our Helpful Sizing Tool
| Size | Measurement (mm) |
|---|---|
| Extra Small | 115-125 |
| Small | 125-135 |
| Medium | 135-145 |
| Large | 145-150 |
| Extra Large | 150-155 |
Our sizing tool simplifies the process of finding the perfect glasses by categorising them into four sections: Extra Small, Small, Medium, Large, and Extra Large. With just a few clicks, you can find the size that will provide the best fit and comfort. Our tool helps us deliver glasses that fit well and look great, and it's available under the "size" dropdown on our catalogue pages. If you're looking for something more specific, you can adjust the sizing sliders under the "Advanced sizing" option. Find your perfect pair with ease using our sizing tool.
Finding your frame size
When selecting a new pair of glasses, it's important to know your frame size to ensure a comfortable and proper fit. This diagram illustrates where to find the size measurements on your current pair of glasses. Typically, these measurements are located on the inside of the arm and are listed in millimeters. The first number represents the lens width (Eye size), the horizontal diameter of one lens6. The second number is the bridge width, the distance between the two lenses. Lastly, the third number indicates the length of the arm. To find the best fit, compare these measurements to the size specifications of the new glasses you are considering.
The number on the left-hand side of the square box is the "Eye Size" and is sometimes referred to as the "A" measurement. This is the width of the lens at its widest point measured in millimetres (see A in the diagram below).
The number on the right-hand side of the square box is the "Bridge Width" and is sometimes referred to as the "DBL" (distance between lenses). This is the distance between the two lenses measured in millimetres.
You may also find a third, three-digit number. This is the "Arm Length". The arm length is measured in millimetres from the attachment screw to the tip of the arm. The measurement is made before the bend is put into the arm.
Lens Depth
You may have noticed that thus far, we have not mentioned the Lens Depth. This measurement will largely depend on the style of frame you decide upon and in many cases, is not required to identify a good-fitting frame. However, if you are choosing glasses for bifocals or varifocals, be mindful that the shallower the frame is, the less area there will be available for the reading element of your lens.
When purchasing Varifocals we recommend a Lens Depth of at least 27 millimetres. For this reason, at Spex4Less, Varifocal lenses will not be available to purchase on frames with a lens depth of fewer than 27 millimetres.
Ranked #1 With 4.9 Stars
Emma
I purchased a pair of Prada prescription glasses for a total of £89 including lenses and coatings in the sale. I know I’ve saved over £300+ using this service. I’m absolutely delighted with the glasses and customer service. Highly recommend and will definitely be a returning customer plus tell everyone! Thank you, Emma.
Sam
First time I tried Spex4less and I wasn't disappointed. My order arrived on time with the prescription specifications required and at a great price! I have previously paid double the amount for prescription Ray ban sunglasses, I'll be checking this site first in the future.
Thomas
After trying high street stores and finding nothing suitable, I visited your store 10th Feb 23 looking for prescription specs suitable for cycling. Chose a pair of Oakleys with prescription bi-focal tinted lenses. Arrived by post a week later, perfect, very pleased with them, and a good price too! I would definitely use Spex4Less again.
Lens Customization - Elevate Your Look
Elevate your designer eyewear experience with our customizable lens options at Spex4less. Select from our comprehensive range of lenses, each crafted to enhance both style and function. Whether you're dressing up for a special occasion or seeking a sophisticated look for everyday wear, our lenses are designed to complement your unique style and designer frames.
For the active fashion-forward individual, our specially tailored base curves provide the perfect fit for sports enthusiasts, offering unrivaled comfort and crystal-clear vision during any physical activity. And for those who seamlessly transition between work and leisure, our varifocal lenses are a must-have, providing effortless focus both near and far.
With our extensive selection, customizing your lenses becomes an integral part of your fashion statement. Find your ideal match and complete your designer look with Spex4less, where style meets functionality.
Frequently Asked Questions
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Absolutely! For iconic brands like Ray-Ban and Oakley, we offer ophthalmic glazing that includes the brand's distinctive logo on your prescription lenses, ensuring a seamless blend of style and authenticity. For our other designer eyewear, we use high-quality, premium lenses that meet our strict standards of excellence. Plus, when you purchase sunglasses, we include the original non-prescription lenses with your order, giving you both authenticity and versatility in your eyewear choice.
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Absolutely! At Spex4Less, we proudly stand behind the authenticity of all our designer frames. We understand that trust is key when purchasing designer eyewear, and we ensure that every pair we offer is a genuine article. Our ability to provide these frames at competitive prices is due to our efficient online model, which eliminates the high overhead costs associated with traditional high street stores. So, when you shop with us, you're not only getting authentic designer frames, but also the best value for your investment.
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At Spex4less, we understand that receiving your new designer glasses promptly is important to you. Generally, the process from manufacturing to delivery of our designer eyewear ranges between 2 to 10 working days. This timeline ensures that each pair of glasses meets our high standards of quality and craftsmanship. Once we receive the frames, our skilled team swiftly fits them with the prescribed lenses. We take great care during this process to ensure your glasses are perfectly tailored to your vision needs. After fitting, we expediently dispatch your glasses, aiming to have them in your hands within 1-2 working days. Our commitment is to provide not only exceptional designer eyewear but also efficient and reliable service. We continuously work to optimize our processes to reduce waiting times, ensuring you can enjoy your stylish new glasses as soon as possible.
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Yes, Spex4less is proud to be a certified Ray-Ban retailer. This certification means we offer a wide range of authentic Ray-Ban products, including the latest styles and classic designs. As a certified retailer, we guarantee the quality and authenticity of every Ray-Ban product we sell, ensuring our customers receive the genuine article complete with standard warranties and comprehensive after-sales support.