Advantages And Disadvantages of Transition Sunglasses Lenses
Photochromic lenses have existed for decades. Once, glass lenses were your only material choice, and gray lenses were your only color. But today's photochromic glasses have many materials and a series of lens colors.
Depending on the type of lens and brand, photochromic lenses will darken due to different processes. The earliest glass photochromic lenses rely on silver chloride or silver halide to react to ultraviolet light and darken. Most of today's photochromic lenses use proprietary dyes, which will darken the lenses when exposed to ultraviolet light after chemical changes.
Is "transition lens" suitable for you?
Glasses with photochromic lenses do provide convenience, but are these types of glasses suitable for you? The following are the advantages and disadvantages of photochromic glasses:
Advantages of transition lens:
They are very convenient. You can use these glasses in most cases, whether indoor or outdoor;
They provide continuous UV protection. You will never forget your sunglasses, nor bother to travel outside;
They won't get lost easily. When you have no two pairs to track, you and your child are unlikely to lose glasses;
They are available in a variety of styles and colors to meet the prescription needs of most people. If you need anti-drop lenses, bifocal glasses, progressive lenses or other special needs, you can almost certainly provide photochromic lenses for you;
They can save money, and you may not need to buy prescription glasses and prescription sunglasses.
Disadvantages of transition lens:
Depending on the brand, they will darken and brighten. Some people also need more time to change. Discuss your needs and choices with eye care professionals;
In cold weather, they need longer time to adjust;
They will not darken in the car. The car glass has certain ultraviolet protection function, which can prevent the photochromic lens from darkening. Some shots are designed to help solve this problem;
Today's advanced high-quality glasses equipped with photochromic lenses may not be a waste, but it is a wise solution for many people. Consider whether they are suitable for your lifestyle.
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