Power Thesaurus. 1969. negotiate thesaurus http://www.powerthesaurus.org/negotiate/synonyms (accessed August 17, 2017).
Youâll see more of the world. iD Single Vision lenses are the first to integrate your lens design on both the front and back surfaces, so you can see more clearly in all directions. Traditionally made single vision lenses have a constant curvature across the front surface, which makes peripheral vision almost impossible.
Choosing your lenses. At Specsavers, we offer standard single vision lenses plus scratch-free resistance on all our glasses as standard. You can choose from a range of varifocal lenses for those who need to focus on close-up and far-away objects with one pair.