Some one may wonder that why we need reading bifocal sunglasses. If you like outdoor activities and reading, reading bifocal sunglasses are useful. Generally, there are two types of reading sunglasses: bifocal and full reading. The lens of reading bifocal sunglasses has two sections for different viewing purposes: the upper section for distance vision and the lower section for near vision. The upper section usually has no reading correction while the lower part has a full reading correction. Reading bifocal sunglasses is the perfect combination that provides clear distance vision and good reading effect as well as full UV protection.
Reading bifocal sunglasses are particularly helpful under some situations. While playing golf, reading bifocal sunglasses provide clear vision of the close golf ball as well as the distant items, such as a flag, bunkers and other features. When you are driving on your own, you may look at the navigator in the next seat or even a map occasionally. At the same time, your attention should be focused in the distance. Reading bifocal sunglasses can surely satisfy you in this situation.
Now, a variety of reading bifocal sunglasses is available in different styles, colors and magnifying strength. Smith Optics produces polarized reading bifocal sunglasses that are perfect for a small fly or reading a map. These sunglasses are equipped with a +2.25 magnification on CR-39 polarized lenses. Their magnifying segment is 28mm wide and placed in the lower part of the lens.
Reading bifocal sunglasses remove the dilemma between sunglasses and reading glasses during outside reading. Active farsighted people can put aside the hassle of switching glasses