Have you ever considered photochromatic eyeglasses? One of the biggest complaints that eyeglass wearers have is that they cannot easily own a pair of sunglasses and regular glasses. Whether it is the expense of shopping for two pair of glasses or the inconvenience of carrying two pair around with you everywhere you go, most consider it too big of a hassle to outweigh the benefits. If this describes you, you should consider purchasing a pair of photochromatic eyeglasses. These glasses came about around 35 years ago and have a varying lens shade. Depending on the amount of ultra violet light the lens is exposed to, it will lighten or darken its level of tint automatically.
The way that this is achieved is by using an active ingredient that causes the transformation called silver halide. It is mixed throughout the lens evenly during the manufacturing process. The benefit of this is that the entire lens will change when exposed to UV light. It does come with two inherent downfalls, though. If you require a thick lens prescription, the lens will tint darker in the thickest parts of the lens while being lighter around the edges. The other is if the prescription between both eyes is drastically different. If that’s the case, the lens with the much thicker prescription will be tinted differently than the lens with a thinner prescription. If either of those describes you, you may want to consider picking up a pair of prescription sunglasses as well. Outside of the convenience factor, photochromatic eyeglasses have medical applications. Certain manufacturers have developed lenses that are photosensitive in certain color ranges, for instance red.
These lenses help to improve the vision of patients who suffer from certain ocular pathologies. People who suffer from light sensitivities also may find medical use in photochromatic eyeglasses. Those who suffer from a low to moderate range of light sensitivity now have the option to choose a pair of glasses with specially formulated lenses that help preserve a more natural color scene for them. This is obtained by a special lens that allows a specific level of blue light to pass through the lens. Whether your needs are medical or purely beneficial, photochromatic eye glasses may suit you perfectly. With so many different companies now manufacturing these lenses, there is without a doubt a pair that will fit your specific desires. Talk to your eye care professional about the different makes and their benefits and they will surely help you pick out a pair that addresses your specific needs.