Choose the right sunglasses
Uv protection: To ensure that sunglasses can effectively block ultraviolet light, the label is usually marked with UV400 and other signs, indicating that it can block more than 99% of ultraviolet light, should be preferred such products.
Transmittance level: Select the appropriate transmittance level according to different use scenarios. For skiing, desert adventure and other activities, you can choose 4 types of special purpose sunglasses; Daily sunny days for a long time outdoor activities, 3 types of sunglasses are more appropriate; Cloudy or short time out, 2 types of sunglasses can be.
Lens color: Different colors of lenses are suitable for different environments. Gray, black lenses suitable for a variety of light conditions, will not change the object color; Brown lenses can provide better visual effects in foggy or dusk; Green lenses can reduce visual fatigue, suitable for long-term eye use; Go to the beach and choose blue lenses.
Style size: Choose large frame type sunglasses, it is best to wrap around the eyes, can better protect the skin around the eyes. At the same time, make sure that the sunglasses are comfortable to wear, the width of the mirror leg is appropriate, not too tight or too loose, with a soft nose pad can increase comfort.
Wear sunglasses correctly
Position: Place the sunglasses correctly on the bridge of the nose, so that the center of the lens is aligned with the pupil of the eye, to ensure that the line of sight passes through the central area of the lens, and to avoid abnormal light refraction due to the displacement of the lens position, affecting the sunscreen effect and visual clarity.
Adjust the frame: according to your face shape and head size, adjust the mirror legs and nose brackets, so that the sunglasses and the face close but not tight, to prevent sunlight from the side into the eyes.
Precautions for daily use
Wear time: When the sun is strong, such as between 10 a.m. and 4 p.m., outdoor activities should wear sunglasses in time. However, in cloudy days, indoor and other UV weak environment, generally do not need to wear, so as not to increase the burden of eye regulation.
With other sun protection measures: sunglasses can not completely replace other methods of sun protection, but also should be combined with sun hats, umbrellas, etc., to provide more comprehensive sun protection.
Regular inspection and replacement: Regularly check whether the lens of the sunglasses is worn, scratched, deformed, etc. If there is a problem, it should be replaced in time to ensure its sunscreen effect and visual quality. In general, sunglasses may need to be replaced for about 1-2 years, which can be judged according to actual use.
Post time: Feb-14-2025