7Artisans has announced the 10mm F2.8 II, a full-frame fisheye lens for Canon RF, Nikon Z, Sony E and L-mount camera systems, ...

Soft multifocal lenses show promise as a management tool for accommodation and vergence disorders in patients without presbyopia.

Your eyes are identified as Oculus Dexter (OD), your right eye, and Oculus Sinister (OS), your left. There will be two ...

Round or oval shapes complement rounder face shapes beautifully ... Single-vision lenses have just one corrective prescription across the entire lens. Multifocal (progressive) lenses have two or more ...

Multifocal contacts have several rings with different powers of correction. Your brain learns to select the right focus for ...

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

Left and right Diagram showing how left circularly polarized (LCP) light is converted by the bifocal lens into separated beams of LCP light and right circularly polarized (RCP) light. (Courtesy: Fan ...

If you have a high prescription and want full-rimmed glasses, look for ones with rims on the thicker side. Similarly, bifocals, trifocals, and progressives require taller/wider lenses to ...

The best standard zoom lenses are some of the most versatile tools a photographer can carry in their arsenal. While there isn't an official ruling on what constitutes a standard zoom, it's generally ...

With a population of 91 and one single stoplight, Round Top spends most of the year resembling a movie set frozen in time. Although the vibe changes considerably during the spring and fall shows ...

If you wear glasses, you know just how annoying smudges can be. In fact, it can be nearly impossible to focus on whatever you’re looking at. But wearing dirty glasses can be more than just annoying.