Lens material
Glass lens
Functional advantages: Excellent optical performance, can provide clear and accurate visual effects, high refractive index, can effectively block UV and some glare. Its har...
1. Different functions
Ordinary sunglasses use the color dyed on the tinted lenses to weaken all the light into the eyes, but all the glare, refracted light and scattered light enter the eyes, whic...
The choice of children’s glasses requires a comprehensive variety of factors, on the basis of professional optometry, combined with children’s vision development, eye needs, etc., to be...
Whether wearing glasses can control the degree is a widely concerned problem in the field of ophthalmology. In order to explore this topic in depth, we need to analyze from multiple dimensions, inc...
In the discussion “Can nearsighted people not wear glasses?” On this topic, we first need to clarify the definition of myopia, the causes and the role of glasses in correcting vision, a...
Glass lenses: Ordinary glass itself has a certain UV absorption capacity, but the effect is limited. Some high-quality glass lenses will add special metal oxides or other UV absorbers, which can ef...
