Since the invention of sunglasses in the 1200s, sunglasses have come a long way. Until the 20th century, sunglasses began to become a large-scale expression of style.
In hot summer months, in addition to hot pants and short skirts, the most seen is sunglasses. So why do you choose to wear sunglasses to go out? They can not only block the strong ultraviolet rays, but also play the role of decoration.

Sunglasses can reduce the damage of strong sunlight to the eyes, and the dazzling light can cause headaches. Sunglasses will have a filtering effect of 95-100.
1. Avoid retina injuries: There are more ultraviolet rays in the sun's rays. Too much ultraviolet rays will directly damage the retina and cornea. But wholesale sunglasses with sunglasses can well resist ultraviolet radiation, thus avoiding damage to the retina.
2. Anti-sand dust: In addition to blocking ultraviolet rays, wearing sunglasses can better prevent sand particles from entering human eyes in some windy weather, which can also protect eyes to a certain extent.
3. Avoid strong light exposure: when the eye receives too much light, it will cause the iris to contract. If it is excessively contracted, it will cause serious injury and impact on the eye. At this time, wearing sunglasses can relieve the ciliary muscle of the eye. The adjustment burden under strong light, so that the eyes can better observe objects in natural light and make the eyes more comfortable.
4. Eliminate the light: It is understood that the frequency of light that human eyes can recognize is limited. There are many frequencies of light that cannot be clearly distinguished by the human eye. This will cause vision problems. At this time, wearing sunglasses can be very good. Avoid this problem.
5. Avoid glare exposure: I believe everyone is familiar with light reflection on the water surface. At this time, choosing sunglasses can better avoid some of the damage caused by glare.
6. Sun protection: This is mainly for summer, which can protect the fragile skin around the eyes, and will not cause sunburn or cause some melanin precipitation.