You may be not strange with bifocal glasses, whose top lens is for distant view while the lower lens for reading, but do you know what bifocal reading sunglasses are? Obviously, according to the denotative meaning, it is not hard to get that bifocal reading sunglasses is a combination of bifocal glasses and sunglasses, which are both able to help people read and stop ultraviolet radiation.
Therefore, with bifocal reading sunglasses, people do not have to carry about two pairs of eyeglasses: one for indoor reading and the other for outdoor activities. There are even some kind of bifocal sunglasses that have dual corrective glasses, while some other have corrective glasses below and normal sunglasses above. Therefore, according to your specific eyesight condition, you are able to choose specific lenses that suit you most. They are especially suitable for those suffer from both farsightedness and nearsightedness.
Since bifocal reading sunglasses can be used as reading glasses, you are required to have a prescription before you prepare to buy bifocal sunglasses. And you’d best to have an eye examination once two years to check whether you need to change you lenses so as to see more clearly.
Another feature of bifocal sunglasses is that their styles are of variety, which means that your choice is no longer restricted with thick framed and dull looking reading glasses as before. You can choose the types that you like most and fit your face most. If you are an outdoor enthusiasts, or your work requires frequent outdoor activities, you can also choose polarized reading sunglasses, which are not only able to block the harmful UV rays of the sun but also the harsh glare that other sunglasses can not block off.
Here are some tips of how to choose bifocal sunglasses from the aspects of lenses, frame style and material, the weight and the tint.
It is better to choose lenses that are light weighted and scratch-resistant. The resin, monomer and polycarbonate lenses are recommended. Do not choose glass lenses. They are heavy and breakable, and give others an impression of a nerd. Additionally, the shape of the lower corrective area can be decided by you as well. The semicircular ones seem to be favorable by most people.
As for the frame style and material. Either silver or golden plated metal frames or plastic ones of different colors are available. With different styles of glasses frame on, you can show different sides of you personality. The black boxy plastic frames that are most fashionable in recent years make you look cool; the silver or golden metal frames enhance your elegance, while the rhinestone ones show your dignity.
The weight should be one of the factors you must take into consideration. Lightness should be the first characteristic. If the glasses are too heavy, they not only leave marks on your nose, but also are not convenient when you engage in sport activities.
The tint of the lenses is almost totally out of your preference. The colors are diverse, ranging from white to black, and rose to brown. You can choose whichever you are keen to, as long as it soothes your eyes in outdoor environments