The eyes are the window of the soul, more than 80% of the acquisition of natural information from the eyes, while the eyes are also very fragile, summer too strong light will not only make the eyes tired, difficult to open the eyes, and the ultraviolet rays in the sun will damage the lens and macula and other structures in the eye, causing irreversible damage. A pair of high-quality sunglasses can reduce the intensity of visible light, improve visual quality and color contrast, avoid eye fatigue, but also can eliminate harmful ultraviolet rays, prevent eye lesions, is the best choice for summer eyes sunscreen. How to choose sunglasses near me now?

First of all, we must first understand the characteristics of several commonly used sunglasses lenses:

1. Anti-reflective protective lens: a thin layer of magnesium fluoride is coated on the surface of the lens to prevent strong light reflection, so that the wearer can see more clearly and not be interfered with by strong light.

2. Colored lenses: Some chemicals are added during the lens production process to make the lenses appear colored to absorb specific wavelengths of light, which is the most common type of sunglasses.

3. Colored lenses: looks similar to colored lenses, but the color is painted on the surface of the lens, the most well-known is the progressive colored lenses, the color is deep on the bottom of the light, is the most common lens type of sunglasses with degrees.

4. Polarized lens: In order to eliminate the harsh light from the sun in the horizontal direction, special paint in the vertical direction is added to the lens, so it has anti-glare and anti-fatigue function, suitable for sea sports, skiing or fishing.

5. Color-changing lenses: also known as photosensitive lenses, adding silver halide to the lens, so that the original transparent lens will become a colored lens in case of strong light, play a certain protective role, suitable for indoor and outdoor use.

Then take a look at the purpose of sunglasses:

1. Sunshade mirror: outdoor activity places, especially in summer, people need to adjust the size of the pupil in the sun to adjust the light flux, which will cause fatigue over time. Sunshade mirror can block part of the strong light, reducing the fatigue caused by eye regulation and the damage caused by strong light stimulation.

2. Light sunglasses: the shade of the sun is not as good as the sunshade mirror, but it is rich in color, diverse in style, and has a strong decorative effect, which can be used to match fashion and different hair and makeup.

3. Special purpose sunglasses: have a strong function of blocking the sun, often used for long-term field activities with strong sunlight, and have higher requirements for anti-ultraviolet performance.