Author: Aubrey

Aubrey manages eyewear sourcing and product development at Jion Eyewear. The guides on this website are based on day-to-day work with frame materials, sample development, customization, quality control, compliance documentation, and low-MOQ production for private label eyewear projects.

Sunglasses CE Marking and EN ISO 12312-1: A Practical EU Guide

Comprehensive guide to sunglasses CE marking and EN ISO 12312-1 compliance standards for the EU market.

Sunglasses CE marking is not simply a CE logo printed on the temple or packaging. For general-use sunglasses sold in the European Union, the finished product must meet the applicable requirements of Regulation (EU) 2016/425, and the manufacturer must have technical evidence supporting the product placed on the market. For buyers, importers and private-label eyewear brands, […]

EU Eyewear Regulations and Testing Standards: A Buyer’s Guide

A buyer's guide layout featuring sunglasses, optical frames, and test reports under EU eyewear regulations and safety standards.

EU eyewear regulations are not the same for every pair of glasses. A general-use sunglass, an optical frame intended for prescription lenses and an industrial safety spectacle may look similar on a quotation sheet, but their legal routes, testing standards and documentation can be very different. For eyewear buyers, the expensive mistake is usually not failing […]

Custom Logo Sunglasses Printing Methods: How to Choose the Right Option

Custom Logo Sunglasses Printing Methods - An overview showing various techniques such as hot stamping, screen printing, laser engraving, laser color fill, and 3D metal logos for custom logo sunglasses

Choosing the right custom logo sunglasses method starts with the frame—not the logo file. Silk printing works well for economical color branding, laser engraving creates a clean permanent mark, hot stamping adds metallic detail, color-filled engraving improves contrast, and 3D metal logos suit premium collections. The best method depends on frame material, logo position, durability, quantity […]

How to Choose Sunglass Lens Materials: PC, TAC, Nylon or CR-39?

Comparison guide for choosing the best sunglass lens material, covering PC, TAC, nylon, and CR39 options.

Sunglass lens materials should be chosen around the product, not by asking which material is “best.” PC is usually the practical choice when impact resistance and low weight matter. TAC works well for commercially priced polarized lifestyle sunglasses. Nylon is better suited to lightweight, curved and performance-oriented designs. CR-39 is a strong option when optical clarity, […]

Polarized vs Non-Polarized Sunglasses: What Is the Difference?

An eyewear guide comparing polarized vs non polarized sunglasses against a bright sunny seascape, illustrating how polarized lenses reduce glare and enhance contrast while non-polarized lenses leave intense water reflections visible.

Polarized and non-polarized sunglasses both reduce brightness, but they do not control reflected glare in the same way. Polarized lenses use a filter to reduce strong horizontal reflections from roads, water, snow, and other surfaces. Non-polarized lenses mainly reduce overall light through tint. Neither type is automatically better for UV protection: UV protection depends on […]

Photochromic Lenses Explained: How They Work and Do They Work in a Car?

A descriptive image titled 'Photochromic Lenses Explained', comparing clear vision indoors versus darkened vision inside a car. A sequence of five lens icons at the bottom illustrates the automatic tinting process from clear to dark in response to light. The scene explicitly explores photochromic lenses and car usage.

Photochromic lenses change their light transmission when exposed to light, becoming darker outdoors and lighter indoors. However, standard photochromic lenses may not darken strongly behind a car windshield because the windshield blocks much of the UV radiation that activates many photochromic technologies. Some newer lens designs are engineered to activate behind the windshield, but buyers […]

Sunglass Lens Colors Explained: Gray, Brown, Green and More

A comprehensive guide to sunglass lens colors, displaying gray, brown, green, blue, yellow/amber, and rose options.

Sunglass lens color changes two distinct things: the exterior aesthetic of the frame and the selective filtering of light reaching the eye. A lens tint shifts contrast and alters how surrounding hues appear, but tint color does not determine UV protection, scratch resistance, or polarization. 100% protection against UVA and UVB rays comes from clear […]

Eyeglass Frame Size Guide: How to Read and Measure Frame Dimensions

An illustrative eyeglass frame size guide demonstrating how to measure lens width, bridge width, lens height, frame width, and temple length on a black pair of glasses.

The numbers printed inside an eyeglass temple usually show three basic measurements: lens width, bridge width, and temple length. For example, 52□18-145 normally means a 52 mm lens width, 18 mm bridge width, and 145 mm temple length. These numbers are useful, but they do not describe the complete fit of a frame. For eyewear […]

Eyeglass Frame Materials Guide: Acetate, TR90, PC and Metal

A comprehensive guide to eyeglass frame materials showing a stack of acetate, TR90, PC, and metal glasses resting on a white marble surface.

Choosing the right eyeglass frame materials affects more than appearance. It changes frame weight, flexibility, fitting, production method, tooling requirements, surface finish and product cost. For B2B buyers, material selection should also match the intended market and sales channel. Acetate can support distinctive premium designs, while TR90 is suited to lightweight and flexible products. PC […]

How to Start an Eyewear Brand: Cost, MOQ & Steps

A comprehensive composite image detailing how to start an eyewear brand in 2026. The main headline is "How to Start an Eyewear Brand in 2026: Cost, MOQ, Manufacturing & Step-by-Step Guide." The foreground features a desk with a display of various glasses, color swatches, technical CAD drawings, and a laptop with a project management chart. The background shows a busy eyewear manufacturing factory with modern CNC machines and workers.

Starting an eyewear brand requires more than choosing attractive frames. You need to define your target customer, select a focused product range, choose between private label, ODM, and OEM, develop samples, confirm materials and customization, check market requirements, and plan production. The practical path is to validate the product before committing to large inventory. Your […]