.- Unisex Round Reading Sunglasses in Brown with Brown Lenses by Foster Grant - McKay SunReaders® - +1. The lenses have three lens strengths in one, making them perfect for reading, using a computer, and interacting with others near you.75 The bottom third has the highest strength (and the power you choose) for reading, the middle third has a slightly reduced magnification for computer use, and the top third has about half the strength of the bottom, for clarity when interacting with someone nearby (sitting across a desk, for example).
This innovative Multi Focus™ lens technology means no more taking your readers off and putting them back on to see things clearly at different distances.- Unisex Round Reading Sunglasses in Brown with Brown Lenses by Foster Grant - McKay SunReaders® - +1. Foster Grant® McKay Multi Focus™ SunReaders® are a fan favorite style that now offers even more functionality. Multi Focus™ reading glasses feature three strengths in one lens.