Glass lens
Refraction: The refractive index of glass is high, generally between 1.5-1.9. This makes the glass lens have a strong ability to refract light and can more accurately control the directi...
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...
eyeglass
Optical property
Clarity: Quality sunglasses lenses at any Angle to see the object should be clear, no deformation, no double shadow. You can rotate the lens slightly by observing distant ...
With the continuous recovery of the global economy and the continuous changes in consumption concepts, eyeglasses are no longer just a tool to adjust vision. Sunglasses have become an importan...
The first thing we need to understand is that as a daily accessory and vision correction tool, the choice of glasses is not only related to visual beauty, but also directly affects the facial propo...
Choosing the optical lens material suitable for the elderly requires comprehensive consideration of the elderly’s eye needs, physical conditions and living habits. The following is a specific...
