eye care

How to Choose Among Different Colors of Prescription Polarized Sunglasses?

When summer comesЈ¬it is necessary for people to have a pair of prescription polarized sunglasses. They provide both vision correction and eye protection for people having outdoor activities in summer.Then a pair of polarized sunglasses must be a necessary accessory, and if you have myopia or hyperopia, prescription polarized sunglasses of different colors are strongly recommended.

The first principle people notice when choosing the color of sunglasses should probably be whether it matches with their skin colors or not. However, apart from this principle, for the goodness to your eyes, you should choose the color of sunglasses according to the function each has.

Then, when choosing prescription polarized sunglasses by color, you must feel dizzy, for there are really a great many kinds of colors. Which kind should you choose?

The functions vary from one color to another. Gray lenses can absorb any kind of color spectrum, therefore, no aberration will be produced. Vision for gray sunglass wearers will merely get darker. Coffee lenses are able to eliminate a great many of blue light which could improve the sharpness of vision, so sunglasses with coffee lenses are suitable to be worn in environment where air pollution is severe. Green lenses, similar to gray lenses, are capable to increase the green light reaching to eyes, which would bring cool feeling to the wearers. Yellow lenses are also called night vision lenses. They are hardly able to increase visible light, but instead improve contrast ratio. Thus sunglasses with yellow lenses are strictly not included in sunglasses. They are more preferred to be referred as night vision glasses.

As for the color depths, they can be divided into that of 15%, 34%, 50% and 70%. The darker the lenses are, the more visible light will be absorbed, but the color depths are irrelevant to the capacity to block ultraviolet radiation, which is merely related to materials of the lenses.

The so called prescription polarized sunglass is a great combination of prescription glass, polarized glass and sunglass, which can be easily observed from the name. It indicates that, wearing prescription polarized sunglasses, without contact lenses, you could get a clear vision and at the same time keep your eyes from both harmful sun rays and reflections from water and mirror, etc.. Isn’t is a good way to kill more two birds with one stone?

If you have read about these knowledge about these prescription polarized sunglasses, you must have clear notion of what color and glasses will suit you best. You will not feel drizzle next time you are in front of tremendous choices.