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Guides to help your optical store sell more.

Virtual try-on, online catalogs, frame photos, selling on WhatsApp and glasses sizes — explained by the team that builds the try-on optical stores use.

  • Frame sizes
  • Tutorial
  • Frame photos
  • Sales
  • Virtual try-on
  • Marketing

Frame sizes

Glasses frame size numbers explained: 54□16-142

The numbers on your glasses temple are lens width, bridge and temple length. Learn how to read them, pick the right size and decode the color code.

October 2, 2026·4 min read

Tutorial

How to add frames to the Previaly virtual try-on

Step by step with the real screens: frame details, storefront photos, AI Studio, the try-on's 2D model, fitting on the face and publishing.

October 2, 2026·4 min read

Frame photos

How to photograph glasses to sell online

Plain background, side light, the frame straight and centered: a step-by-step guide to shooting glasses with your phone, ready for your storefront.

October 2, 2026·4 min read

Sales

How to sell glasses on WhatsApp: a guide for stores

One catalog link, fast replies, customers trying frames on their phone and ready-made messages: how optical stores sell more glasses on WhatsApp.

October 2, 2026·4 min read

Sales

How to sell glasses online without a physical store

For frame resellers and home-visit opticians: a storefront link, a camera try-on, photos, promotion and delivery, with no shop on the street.

October 2, 2026·3 min read

Virtual try-on

Best virtual try-on for optical stores: how to choose

The criteria that matter when choosing a virtual try-on for glasses: real time, clear pricing, your own storefront, WhatsApp contact and support.

October 2, 2026·4 min read

Sales

An online catalog for your optical store: how to build it

How to build an online catalog for an optical store, with photos, prices and a virtual try-on, and share it on WhatsApp, Instagram and at the counter.

October 2, 2026·3 min read

Marketing

Instagram for optical stores: ready-made posts and stories

Post and story ideas for optical stores, and how to make them with your branding in minutes, without a designer, in Previaly's Marketing Studio.

October 2, 2026·3 min read

Virtual try-on

How much does a virtual try-on for glasses cost?

What a virtual try-on for optical stores costs: the monthly price, what's included, the hidden costs to watch for and how to know if it pays off.

October 2, 2026·3 min read

Virtual try-on

Virtual try-on for glasses: how it works

Customers try on frames with their phone camera, in the browser, with no app to download. See what Previaly does and what your optical store gains.

October 2, 2026·3 min read

For optical stores

Let your customers try on your frames from their phone.

A storefront with your brand, a live virtual try-on and customers messaging you on WhatsApp. No app needed.

Talk to us on WhatsAppSee a live demo storefront

Live virtual try-on for glasses. Built for optical stores, made in Brazil.

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© 2026 PrevialyGuides written by the Previaly team.

Rotate your phone

Hold it upright — measuring and the try-on need the phone in portrait.