25 Men's Square Reading Glasses in Black and Gray by Foster Grant - Troy - +3. 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).
25 Multi Focus™ Troy reading glasses feature a classic, square frame shape made out of durable plastic.25 Men's Square Reading Glasses in Black by Foster Grant - Troy - +3. 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).