Sunglasses are used for shading. People usually adjust the luminous flux by adjusting the size of their pupils in the sun. When the intensity of the light exceeds the adjustment ability of the human eyes, it will cause damage to the human eyes.
Therefore, in outdoor activities, especially in summer, it is necessary to use sunshade glasses to block the sun to reduce the fatigue caused by eye adjustment or the damage caused by strong light stimulation.
1. Beautiful decoration
2. Cover eye defects
3. It can reduce the adjustment burden of the eye’s ciliary muscle under strong light
4. Block out harmful light
5. Protect your eyes from harm