Spherical and aspherical lenses are two different types of lenses. When viewed with the naked eye, it can be difficult to distinguish between the two. However, they actually have significant differences in structure, function, and visual effects. “Spherical” and “aspherical” refer to the shape of the lens. A spherical lens has a curved surface in […]
Eyeglass lenses come with a variety of types, and two popular choices are polarized lenses and photochromic lenses. While their names might sound somewhat similar, their mechanisms, functions, and applicable scenarios are quite different. In this blog post, we will delve into the differences between polarized lenses and photochromic lenses. What Are Photochromic Lenses? Photochromic lenses, […]
As people age, many experience presbyopia, which is the inability to see nearby objects clearly. This condition becomes noticeable around the age of 45+. To address the issue of presbyopia, progressive lenses were developed. Progressive lenses are multifocal lenses that can simultaneously meet the needs of seeing far, intermediate, and near distances. This article will […]
With the rise of the digital age, we are increasingly reliant on electronic devices such as computers, smartphones, and tablets, spending more and more time in front of screens. Blue light glasses have emerged to reduce the harmful blue light emitted by screens and its impact on our eyes. However, many people ask the question: […]
In everyday life, glasses are an indispensable tool for many people. Whether it is nearsightedness, farsightedness, astigmatism, or presbyopia, plastic spectacle lenses can help us restore clear vision. When purchasing lenses, it is generally recommended to add coatings to enhance the quality and visual performance of the lenses. Different types of coatings offer various advantages. […]
Glasses consist of a frame and two lenses, with the method of lens installation being crucial for vision correction. The materials used for frames vary widely, and similarly, there are different options for lens materials. When choosing lenses, the material selection is critical because it not only affects the comfort and aesthetics of the glasses […]
With the increasing focus on eye health and visual comfort, choosing the right sunglasses has become more important. Sometimes, even when wearing sunglasses, sunlight can still make it hard to see clearly. Whether driving, skiing, or near water, you might find yourself squinting. This is where glare comes into play. Transition lenses, a special type […]
Transition lenses, also known as photochromic lenses, are designed to be clear indoors and darken when exposed to sunlight. They automatically adjust their tint based on the surrounding light conditions, making them ideal for people sensitive to light. With proper care, their lifespan can be as long as regular glasses. However, many people wonder: do […]
As people become increasingly aware of eye health and visual comfort, choosing the right sunglasses has become more important. Sometimes, even with sunglasses on, sunlight can still make it hard to see. While driving, skiing, or being near water, you might find yourself squinting. This is due to glare. Polarized sunglasses, a special type of […]
In the modern eyewear industry, progressive lenses are widely popular for their ability to provide multifocal vision correction. They are an ideal choice for simultaneously correcting myopia, hyperopia, and presbyopia. The design of progressive lenses allows wearers to experience clear vision at different distances. Progressive lenses, or no-line bifocals, blend three different prescription strengths at […]