Multi Focus™ reading glasses feature three strengths in one lens. The bottom third is the highest strength (and the power you choose) for reading, the middle third is about half that strength for computer use, and the top third is slightly magnified for clarity when interacting with someone nearby (sitting across a desk, for example)..
50 Unisex Square Reading Glasses in Black by Foster Grant - James - +2. Foster Grant® James Multi Focus™ reading glasses give you three different strengths that allow you to use them continuously for reading, computer use and interacting.
- Unisex Square Reading Glasses in Black by Foster Grant - James - +2. Comes with a case and cleaning cloth.. The bottom third is the highest strength (and the power you choose) for reading, the middle third is about half that strength for computer use, and the top third is slightly magnified for clarity when interacting with someone nearby (sitting across a desk, for example).