News
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Why Must Eyeglass Lenses Be Coated?
Many people don't realize that the resin lenses we wear today are actually "semi-finished products" in their raw state. The substrate itself has a light transmittance of only 88% to 91%, and its soft texture makes it highly prone to scratching from a simple wipe. Have yo...Read more -
Will Uncorrected Astigmatism Make Your Vision Increasingly Worse?
People often struggle after an eye exam, wondering: "I only have 50 degrees (0.50 diopters) of astigmatism—should I include it in my prescription? If I do, I’m worried about feeling dizzy; if I don't, I’m afraid the prescription will keep going up." Others might say: "Yo...Read more -
Polarized=UV Protection? Choosing the Wrong Sunglasses Can Actually Harm Your Eyes
With the scorching summer heat and the blazing sun overhead, sunglasses have become a must-have accessory for many people when they head out. When shopping for sunglasses, we often hear retailers strongly recommending polarized lenses, claiming that they not only reduce ...Read more -
With So Many Sunglasses Colors, How Do You Choose the Right One?
When the sun is blazing and leaving you squinting, a pair of sunglasses becomes an absolute must-have—whether you are walking down the street or behind the wheel. As a timeless fashion statement, sunglasses are also a go-to accessory for trendsetters to elevate their out...Read more -
10 Factors Affecting Progressive Lens Fitting and Their Solutions
Many people who get progressive lenses experience dizziness, a floating sensation, or difficulty reading up close, and they immediately assume the lenses are defective or that they are just too old to adapt. That is actually a misconception. 90% of this discomfort stems ...Read more -
8 “Hidden Truths” About Astigmatism
1. Astigmatism is an "irregularity in the shape of the cornea," not a matter of "eyeball length." Myopia and hyperopia are caused by the eyeball being too long or too short; astigmatism occurs when the cornea is shaped like a rugby ball, with varying refractive power in ...Read more -
A Full Understanding of Anti-Blue Light Lenses
Anti-blue light lenses (also called blue cut or blue light blocking lenses) are designed to reduce exposure to high-energy visible (HEV) blue light emitted from digital screens and artificial lighting. Below is a complete, practical breakdown to help you understand how t...Read more -
RX Lenses: A Guide to Understanding Prescription Lenses
Product Description Welcome to HANN Optics, an independent laboratory dedicated to revolutionizing the way you see the world. As a leading provider of freeform lenses, we offer a comprehensive supply solution that combines technology, exper...Read more -
Stock finished lenses are a convenient and cost-effective option for individuals in need of prescription eyewear.
These lenses are pre-made and readily available for immediate use, eliminating the need for time-consuming customization. Whether you require single vision, bifocal, or progressive lenses, stock finished lenses offer a quick and efficient solution for your vision correction needs. One of the key ...Read more -
Semi-finished lenses are a crucial component in the production of high-quality eyewear.
Semi-finished lenses are a crucial component in the production of high-quality eyewear. These lenses are designed to be further processed and customized according to the specific prescription requirements of individual patients. They serve as the foundation for creating lenses that address a wide...Read more
