A person pushing their glasses up their nose, illustrating a poor fit.

The #1 Fit Problem: How to Stop Your Glasses From Sliding Down Your Nose

The constant 'push-up.' It’s the most annoying habit in eyewear. If your glasses won't stay put, we have the answer. Read our expert guide to fixing the fit, including the $2 tool that stops the slide instantly.

A diagram showing a lens with layers for anti-reflective, anti-scratch, and blue light coatings.

The Guide to Lens Upgrades: Are They Worth It?

Your frames are picked, but what about the lenses? Anti-reflective, high-index, anti-scratch... As experts, we're here to make it simple. Read our guide to the lens upgrades actually worth investing in.

A guide showing the best eyeglass frames for each face shape.

Title: The Ultimate Guide: Finding the Perfect Glasses for Your Face Shape

Finding the perfect glasses isn't magic—it's about balance. As your SF-based eyewear experts (with 20+ years of experience), we're here to help. Read our guide to find your face shape and the frames that will bring out your best features.

An infographic showing the differences between a clear single vision lens, a bifocal lens with a line, and a progressive no-line lens.

An Expert's Guide to Choosing Your Eyeglass Lenses

An Expert's Guide to Choosing Your Eyeglass Lenses From Prescription Type to Lens Upgrades, We'll Make It Simple You’ve hand-picked the perfect frame—now it's time for the most important part:...
An easy-to-read sample prescription with SPH, CYL, and AXIS labeled.

How to Read Your Prescription: A Simple Guide

    You've just had your eye exam, and you're ready to order new glasses. You open the prescription, and... it looks like a secret code. SPH? CYL? ADD? It’s...
A person showing how to measure pupillary distance (PD) with a millimeter ruler and a mirror.

How to Measure Your Pupillary Distance (PD)

Pupillary Distance (PD) is the one 'scary' number you need to order glasses online. Don't let it be. As eyewear experts, we're here to make it simple. Here's our 2-step guide to measuring your PD at home, no doctor required.

A pair of photochromic lenses, half dark and half clear, showing how they transition.

The Choice Expert Guide to Photochromic Lenses (And Who They're For)

Photochromic lenses offer 2-in-1 convenience, but are they the right choice for your lifestyle? Our SF-based experts break down the pros, the cons (like driving), and who they're really for. Read our full guide to find your perfect pair.