Knowledge

There are two standards for calculating the blue light blocking rate, the ISO International Organization for Standardization standard and the EN Europ

1. Beautiful decoration, covering eye defects, visually slimming the face. This theory was proposed by the Olsen sisters, and her theory is very simpl

1. Substrate absorption: Anti blue light factors are added to the lens substrate to absorb harmful blue light in daily life, achieving the protective

When wearing and removing glasses, please grab the legs of the glasses with both hands and remove them from the front facing outwards. Wearing and rem

Yellow lens sunglasses can filter 100% ultraviolet rays, allowing infrared and 83% visible light to penetrate the lenses. Its biggest feature is that

What is needed is to be able to filter out over 99% of ultraviolet rays in sunlight. Furthermore, the function of blocking strong light is crucial, es

With the arrival of summer, the number of consumers choosing sunglasses and myopia glasses is gradually increasing. In order to enable people to choos

If there is a feeling of dizziness when wearing sunglasses, it may be due to the tightness of the temple plate, discomfort in the nose support area, o

No matter where you store your sunglasses, be sure to keep the mirror face up. 1: Fold. In the design of the frame, it is usually done by folding the

Improper wearing of sunglasses can lead to eye diseases, and it is not necessary to wear sunglasses on cloudy days or in dark indoor conditions. Some

ADVANTAGE 1. Beautiful decoration 2. Ocular defects obstructed 3. Can reduce the regulatory burden on the ciliary muscles of the eyes under strong lig

(UV spectral region) The average transmittance is the average transmittance of a lens to ultraviolet rays in the ultraviolet spectral range, as specif