Learn about the various types of multifocal intraocular contact lenses, which are used to replace natural lenses during surgery.

Accommodation is the eye's ability to focus up close by changing the shape of the lens. Accommodation affects the development of myopia and glaucoma and its age-related decline results in presbyopia.

The Korea Research Institute of Standards and Science has developed a detachable acoustic lens that allows for easy adjustment of the focal length in ultrasonic inspection equipment. Much like ...

Different body types are part of what makes every human unique. Some bodies are curvier, some have broad shoulders, and some have more musculature.

Common Ski Goggle Shapes and Lens Types: There are three types of lens shapes typically found in ski goggles, all offering some different pros and cons. Here’s a quick guide on which might be best for ...

The full body swimsuit made famous by Michael Phelps and other Beijing Olympians in 2008 won't be seen on anywhere on deck this year. Beginning January 1, 2010, swimmers are banned worldwide from ...

Oakley celebrates 50 years of pushing the limits of style and innovation with the retro-modern Ellipse sunglasses.

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Glowing sunbeams and lens flares with star shapes and vibrant light effects on a transparent background ideal for sunny, magical, or natural abstract designs.