Have a Detailed Idea about the Photochromic Lenses

With the stylish designs available in conjunction with a pair of prescription sunglasses, it’s no wonder that there are so many choose to buy a pair of prescription eyeglasses as sunglasses are an obvious option.

Still, it can become irritating and tiresome to have to remember to swap glasses and have to remember to actually carry both with you at all times.

Into the eyeglasses industry, Corning came along and introduced photochromic lenses in the late 1960s; however, pushing this form of lenses into the market it was the brand, Transitions, in the 1990s.

Today, for this type of lens transitions is the leading manufacturer and being aptly referred to as “Transitions lenses their branding success has led to the lenses.

How do they work? What exactly are these lenses? How do they benefit long term eyeglass wearers? An all-in-one prescription sunglasses and prescription eyeglasses solution with special lenses manufactured with a special mix of chemicals is included in Photochromic lenses.

When exposed to ultraviolet (UV) rays, these react with one another.

Essentially, when outside and exposed to sunshine (aka ultraviolet rays), the lenses darken into sunglasses. As soon as the UV is removed slowly return to being regular indoor eyeglasses. On the amount of UV light, the amount of shade the lenses turn is dependent.

The general timeline is that they will respond to either the UV rays, or the absence of them, within one minute, and then gradually darken or fade over a course of fifteen minutes; however, the full visual effect is usually seen within five minutes.

To protect the eyes against harmful UVB and UVA rays, an important side note is that, photochromic lenses will darken enough, when outdoors. To the point of looking like true sunglasses it will not darken.

Photochromic lenses do not respond to visible light — only to UV light and it is an important note to keep in mind. Therefore, there are times when, they will not darken although you are outdoors such as while driving. Most photochromic lenses also contain anti-glare tints to ensure maximum optical protection and compensate for this.

To help patients to see when eye conditions have caused visual deterioration, photochromic lenses can be tinted to a specific color (most often red) as a method for helping with certain medical conditions.

In a wide range of materials, photochromic lenses are now available, and are usually very lightweight with advances in manufacturing capabilities and technology.

The benefits of photochromic lenses can be enjoyed by those who wear standard vision-correcting prescription glasses along with those needing multifocal glasses. The progressive lenses are also quite beneficial.

In the end, though we also cannot blind ourselves to any disadvantaged there are clear advantages to this form of lens.

Advantageously, to perform three of the most important optical roles one needs only one pair of eyeglasses — blocking against glares causing headaches, car accidents and eye strain; protection against the sun’s harmful rays and offering clear sight.

Just a few last points: as it currently stands, in shades of brown and gray one can buy glasses with photochromic lenses. They are available to fit into any lifestyle need, color or frame of any style apart from being suitable for regular ones, as well as multifocal glasses, which is ensured by advances in manufacturing. In one frame, you will get all comfort, protection, Convenience and style!