How many sunglasses pairs must you own?

Eyeglasses Online
May 11, 2018
Published By Jennifer Johnson

This blog is a guide to help you understand the frame measurements.

If you’re looking forward to buying a new pair of glasses online, then it is essential for you to know the right size of your frame to ensure the perfect fit. The good news is that you can easily find your frame measurements to ensure you are buying the right fit. The best part is that you are going to save a lot of time and effort while buying glasses online.

However, buying a sunglasses or prescription sunglasses is different from that of prescription eyeglasses. Sunglasses tend to be larger than your glasses; therefore, your sunglasses size will differ from that of your eyeglasses with sunglasses, you have more freedom to choose within a wider range of sizes since the fit does not need to be precise.

Following is a handy guide to help you understand how to measure your glasses frames.

Digital blue coat lense


It is the vertical height of the lens which is measured from its tip to the bottom. Lens height is highly important for bifocal or progressive prescriptions; the lens needs to be at least 30 mm.


The overall width of the frame is another important measurement. This includes any lug or hinge pieces that stick out on the sides. The entire width of the frame is also an essential factor to consider while selecting a frame.


Lens width or the eye size is the horizontal width of the frame lens. Ensure that the lens width accommodates your pupillary distance so that your eyes align with the optical center of the lens. Ideally, the size ranges between 40mm to 60mm.


Temple length is a measured along the length of the temple from one end to the other, including the bend down around the ears. Ideally temple length call fall between 120mm to 150mm. Despite essentiality – the temple length is not widely different from frame to frame.


The nose bridge width is the minimum horizontal distance between the nasal surface of the rims or lenses (in rimless frames). The approximate gap between the two lens ranges from 14mm to 24mm.

Most of the time, these measurements are engraved on the inner side of your eyeglasses temples or behind the nose bridge area. However, every individual has a different facing features and thus, require different eyeglass frame size.