Photochromic lens
If you wear glasses you’re conversant in the hassles of handling the sun. You carry both your glasses and sunglasses wherever you go. Switching back and forth whenever you go outside then head back in. One simple alternative is to wear glasses with photochromic or “transition” lenses. These special lenses darken within the sun then lighten once you go inside.
Photochromic lenses are around for many years . Once, glass lenses were your only material choice and gray lenses the sole color. But today’s photochromic glasses are available many materials and an array of lens colors. The foremost popular brand today is Transitions, but photochromic lenses are made by many manufacturers. Other brands include Sensity, Thin & Dark and PhotoFusion.
Photochromic lenses darken through different processes, counting on the sort of lens and brand. The earliest glass photochromic lenses relied on chloride or silver halide to react to UV light and darken. Most of today’s photochromic lenses use proprietary dyes that undergo chemical changes that darken the lenses when exposed to UV light.
Are “Transition Lenses” Right for You?
Glasses with photochromic lenses certainly offer convenience, but are these sorts of glasses for you?
Here are the pros and cons of photochromic glasses:
Advantages of Transition Lenses
you’ll use these glasses under most circumstances, whether indoors or outside.
it is offer continuous UV protection. you’ll not forget your sunglasses or not bother to place them on for a visit outside.
They won’t stray as easily. You and your children are less likely to lose glasses once you don’t have two pairs to stay track of.
They are available in many styles and colours , and may meet the prescription needs of most of the people . If you would like shatter-resistant lenses, bifocals, progressives or produce other specific needs, there’s almost certainly a photochromic lens for you.
They can prevent money. you’ll not got to buy prescription eyeglasses and prescription sunglasses also .
Drawbacks of Transition Lenses
They darken and lighten to varying degrees counting on the brand. Some also take longer to vary than others. Discuss your needs and options with an eyecare professional.
They can take longer to regulate in weather .
They don’t darken also inside cars. Auto glass has some UV protection, which may prevent photochromic lenses from darkening. Some lenses are designed to assist solve this problem.
Today’s advanced, high-quality eyeglasses with photochromic lenses might not be a splurge, but a wise solution for several people. Consider whether they’re an honest fit your lifestyle.