Transition lenses ... tint in less than 0.1 seconds, thanks to a “flexible, liquid crystal film” that is controlled electronically by tapping or sliding a finger across the temples. The ...

Variable neutral density (ND) filters are handy tools for photographers, in that their opacity can be adjusted simply by ...

The problem? Wiping your lenses on your T-shirt or any old fabric can worsen smudges. A better option: A high-quality glasses cleaning kit with a dedicated microfiber cleaning cloth and a cleaning ...

Many blue-light-blocking glasses have an orange or yellow tint that is supposed to absorb the blue light while allowing other light to pass through. Generally, the darker the lenses on a pair of ...

But wearing dirty glasses can be more than just annoying. “First off, dirty lenses can cause eye strain and headaches — not fun,” says Dr. Janice Fan, an optometrist at 414 Eyes in Milwaukee.

Prescription eyeglasses can cost as much as $1,000, and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses ...

This function displays the lens distortion of glasses being used by the customer ... This function digitally calculates the transmittance through tinted lenses such as sunglasses, which has ...

You may want to consider Transitions photochromic lenses for your primary pair of glasses. They adjust automatically to changing light conditions to allow just the right amount of light to reach the ...

Besides protecting your eyes, a good pair of shooting glasses can heighten your overall shooting experience. High-quality lenses give better clarity and when tinted with certain colors, give the ...

Switching from eyeglasses to contact lenses is a significant decision that can greatly improve your vision and lifestyle. Many eyeglass wearers contemplate this change for various reasons ...

Like transition-style eyeglasses, these lenses automatically adapt to changing conditions, so they're always tinting to the exact right level of the surrounding conditions. That's in an ideal ...