IN a recent letter, Evans 1 disagrees with our observation that a considerable part of the iodine-reducing substance in the crystalline lens is ascorbic acid 2.

My feelings are valued, validated. I am seen and I am heard,” the bestselling author said of her romance with beau James Ward ...

But autumn demands your attention. Your eyesight improves in the crystalline air. It’s like being inside an HDTV screen, ...

Lao hua yan (presbyopia) has set in. Inevitable with age, it’s a condition that occurs when the eye's natural crystalline lens loses its elasticity and ability to change shape, making it ...

So I'm in the middle of Mt. Albert Domain, pretty much at the summit of the volcanic cone itself. I have the dog with me ...

Stade Rennais have endured a mixed start to the campaign. Victories over Olympique Lyonnais and Montpellier HSC have ...

The new lens delivers a popular combination of aperture and focal length and is a virtual twin to Nikon's own Z 35mm F1.4 ...

This is a small, lightweight, clear disk that replaces the focusing power of the eye’s natural crystalline lens to restore clear vision. This procedure is performed using traditional surgical ...

Taiwan Applied Crystal (TAC), a subsidiary of Largan Precision in which the Taiwanese lens maker holds a more than 70% stake, ...

You could have as many megapixels as you like, but without a decent lens to focus light onto it, your images won’t look better. So, while today’s iPhones have more advanced cameras and better ...

There are plenty of lens suppliers out there, so we compared dozens of eyewear retailers to suss out the best places to buy contacts online. Our overall winner is 1-800 Contacts, due to its ...

But the market for Spectacles — and AR glasses in general — still feels as nascent as ever. Snap has an idea for what could change that: developers. These new Spectacles, announced Tuesday at Snap’s ...