How to wear the right glasses correctly
Correct vision and protect the eyes: for people with refractive errors (such as myopia, farsightedness, astigmatism), long-term wear of the appropriate degre...
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...
Single optical glasses
Single-lens optical glasses are mainly used to correct vision, so that the wearer can see clearly. To a certain extent, it can help myopia patients to maintain clear vision w...
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 ...
Common eyeglass frame materials include metal, plastic, cellulose acetate, composite materials, etc.
1. Metal materials
Metal eyeglass frames mainly include stainless steel, titanium, aluminum-magn...
The color depth of sunglasses and eye protection ability is not a simple positive correlation, the following is the specific analysis:
Sun glasses color action principle
The color of sunglasses is ...