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"My child’s myopia increases by 100 degrees every year. We’ve changed three pairs of glasses, and they still can't see clearly. What exactly is the problem?" This is a common frustration heard from parents in pediatric ophthalmology clinics. Traditional optometry can only tell us "how much myopia there is," but it cannot answer "why it is happening" or "how it will progress."

The 24th China (Shanghai) International Optics Fair (SIOF 2026) was grandly held from March 2 to 4, 2026, at the Shanghai New International Expo Centre. 

Polarized lenses and photochromic lenses are both popular eyewear choices, each offering distinct advantages for different purposes and settings. Understanding the differences between these two types of lenses helps consumers make informed decisions based on their individual needs and preferences.

Photochromic lenses, also known as transition lenses, offer a convenient solution for users who require vision correction and protection from the sun's harmful UV rays. These lenses automatically change color in response to UV exposure, allowing clear vision indoors while darkening outdoors to reduce glare and provide UV protection.

Many consumers feel confused when buying eyeglasses. They typically choose frames based on personal preference, often considering comfort and reasonable pricing. But lens selection is perplexing: Which brand is best? Which lens features suit you? Which lenses offer superior quality? Faced with a wide variety of lenses, how do you choose the right one for yourself?

When you go to an optical store, the staff often recommends high-index lenses, citing reasons like "The higher the index, the thinner and lighter the lens, and the more comfortable it will be to wear."

People who wear glasses may have had these experiences: leaving their glasses in the car during summer, only to find fine cracks appearing along the edges of the lenses; or washing lenses with hot water and noticing that the blue light protection coating on the surface seems to have weakened. 

1. Myopia in children
Once true myopia is diagnosed, corrective eyeglasses must be prescribed and worn. Delaying correction may result in an annual increase of 100 to 150 degrees.

When you search online for what anti-fatigue lenses are, you come across comments where people are debating, such as "They are basically junior progressives ", "They are a scam", "They really work", and so on. Today, we will talk about what anti-fatigue lenses are and who they're suitable for.

In daily life, photochromic glasses are favored by many consumers because they can automatically adjust their color with the change of light, offering the convenience of two-in-one usage. In particular, photochromic prescription glasses have become a new choice for many people.