Eyeglasses come in a variety of types. This includes a single-vision lens with one power or strength over the entire lens, or a bifocal or trifocal lens with multiple strengths over the entire lens.

Please provide your email address to receive an email when new articles are posted on . NEW YORK – Shamir announced the launch of Glacier Expression, a premium antireflective coating, and an update to ...

Acclaimed author Jean G. Boulton once wrote, “Wishing the world was predictable and controllable does not make it so, and it might make us disregard what is actually happening.” While this quote ...

Progressive lenses offer a seamless way to see clearly at all distances without the visible lines of bifocals, blending style with practicality. From understanding their three vision zones to choosing ...

When the call went out for volunteers to participate in a study on a new technology that could eventually improve on and replace progressive lenses, I was happy to sign up. Like every human over 50 ...

Please provide your email address to receive an email when new articles are posted on . NEW ORLEANS — Bausch + Lomb’s three-zone progressive optical design successfully transferred from its samfilcon ...