The versatile rectangular plastic frames further ensure all-day comfort and good looks.
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).. You're not contained to one task during the day, so why should your reading glasses be? - Unisex Rectangle Reading Glasses in Black by Foster Grant - Conan - +2.Multi Focus™ reading glasses feature three strengths in one lens.