Sunglasses are not just fashion accessories; they are crucial tools for protecting your eyes from harmful UV rays and enhancing visual performance in different environments. Different lens colors have different uses, each with unique advantages suited to specific environments and activities. In this comprehensive sunglass lens color guide, we will explore the best lens colors […]
As you age, you may experience difficulties when reading or viewing things up close, which is a normal change in vision as people grow older. Progressive lenses, as seamless multifocal lenses, effectively address this issue by providing a gradual transition between different focal points. However, wearers may sometimes feel discomfort or struggle to adapt, which […]
Photochromic lenses(transition lenses), are eyeglass lenses that can automatically adjust their color based on changes in the surrounding light conditions. Generally, outdoor photochromic lenses take about 30 seconds to darken to 80%. In the presence of intense sunlight, this darkening time is even shorter. Moreover, within the first three minutes of exposure to outdoor light, […]
Progressive transition lenses are a type of eyeglass lens that combines the functions of both progressive lenses and photochromic (transition) lenses. These lenses not only adjust their tint based on different lighting conditions but also provide multifocal correction to meet various visual needs. With advancements in technology and an increasing demand for multifunctional eyewear, progressive […]
Astigmatism is a common vision problem where the eye is unable to focus light properly on the retina, resulting in blurred vision. The causes of astigmatism are varied, with irregularities in the shape of the cornea or lens altering the way light is focused through the eye. For many patients, the degree of astigmatism remains […]
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. […]