Spring is often thought to pose less UV harm to eyes, leading many to believe daily use of transition lenses or sunglasses is unnecessary. However, this view is inaccurate.
Experts warn that UV rays in spring can be as intense as, if not more harmful than, those in summer. With more time spent outdoors enjoying the pleasant spring scenery, eye protection against UV is crucial.
Also known as "photosensitive lenses", transition lenses contain silver halide. They turn dark in strong light and are suitable for both indoor and outdoor use. Made of optical glass with silver halide micro - crystals, they darken quickly under sunlight and UV, fully absorbing UV and neutrally absorbing visible light. They revert to clear in the dark. These lenses are ideal for outdoor activities, snowy areas, and high - light indoor workplaces.
When choosing, consider lens features, usage, and personal color preferences. Transition lenses come in various colors:
- Gray Lenses: Absorb infrared and 98% of UV. They offer a natural view with no color distortion, suitable for everyone.
- Pink Lenses: Absorb 95% of UV. Light - red ones are popular among women who wear glasses often, providing good UV protection and a more comfortable visual experience.
- Light Purple Lenses: With a relatively deep color, they are favored by mature women.
- Brown Lenses: Absorb 100% of UV and filter out a lot of blue light. They improve visual contrast and clarity, perfect for polluted or foggy conditions and are a top choice for drivers, seniors, and those with high myopia.
- Light Blue Lenses: Great for beach trips as they filter out the blue reflection from the sea and sky. But avoid using them while driving as they can affect traffic signal recognition.
- Green Lenses: Absorb infrared and 99% of UV, increasing green light to the eyes and giving a cool, comfortable feeling. They are suitable for people with eye fatigue.
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