London Fog LF 521

$69.95 ~~$105.95~~ 34% off

Choose a Color:

Selected color: Black

Choose a Size:

Selected size: M — 51-19-145

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Premium Prescription Lenses All prescription lenses are crafted in our U.S. based optical lab.

London Fog LF 521 Overview

Colors

Black
Navy

Size

Lens width	Bridge	Temple	Lens height
51	19	145	—

All measurements in millimetres.

Frame details

Brand	London Fog
Model	LF521
Shape	Round
Material	Plastic
Rim	Full Rim
Hinges	Spring hinges
Lens compatibility	Friendly
Collection	Eyeglasses
Gender	Unisex

About the London Fog LF521

The London Fog LF521 features a round shape in a full rim plastic construction. Spring hinges provide flexibility at the temples. This unisex frame works for those who prefer round styling.

This frame measures 51-19-145 (lens width-bridge-temple in millimeters). The 51mm lens width falls on the narrow side of regular, and the 19mm bridge is average for this lens size. If your current glasses feel too wide across the front, these proportions will fit closer to your face.

Order the frame on its own or add prescription lenses made in our U.S. lab: single vision, OmniLux® NAL® lenses or progressives, and prescription sunglasses with Transitions®, tinted or polarized lenses. Free U.S. shipping on every order with prescription lenses.

Frequently asked questions

Which size is the LF521?

It comes in one size, 51-19-145. If the first number on the temple of your current glasses is 49–53 mm, it will fit you in a similar way.

Is the LF521 good for progressive lenses?

Yes. Progressive, OmniLux® NAL® and iLux™ lenses can be made in this frame. If you would like us to confirm the fit for your prescription, contact us before you order.

What are spring hinges?

A small spring in the hinge lets the temple flex outward slightly, which reduces pressure at the sides of your head and helps the frame last.

Similar frames

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Prescription lens options for the London Fog LF 521

OmniLux® NAL® – next-gen no-line multifocal lenses, exclusive to BestNewGlasses.com.
Single vision – one prescription across the whole lens, for distance or reading.
Progressive – a smooth change from distance to reading with no visible line.
iLux™ – adaptive multifocal lenses powered by NAL® technology, ordered like a progressive.
Blue light blocking – filters part of the blue light from screens.
Prescription sunglasses – Transitions®, tinted or polarized lenses.