Do not adjust your TV set, or the font size on your reading tablet — adjust your eyeglasses instead. The British company Adlens is set to launch a new concept in eyeglasses — one that will allow ...

If you wear bifocal or even trifocal eyeglasses, then you will know what a hassle it can be having to tilt your head up to see things that are nearby. The areas of image softness or distortion can ...

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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.

Trifocal lenses correct three types of vision: close-up, intermediate, and distance. You may be more familiar with correction for distances far away and near, but you likely use your intermediate ...