It is often said ‘The eyes are the window to the soul’. Today, from young children to teenagers to adults, almost everyone around us has a barrier between their eyes and the vivid and vast world ...

The wavelengths generally are in red and blue colour. The most commonly used and the earliest example of an achromatic lens is the achromatic doublet. An achromatic doublet is made from a pair of ...

The minimum you’d want is a 60mm refractor, meaning it has a 60mm objective lens. Reflector telescopes gather light with a ...

Snell’s Law explains light refraction at material boundaries, a principle crucial to fiber optics, lens design, and advanced ...

Discover the revolutionary Vi-Shift Adjustable Glasses, a versatile and fashionable solution for vision impairment. Learn how ...

A hybrid contact lens is a specialized contact lens that may be an option for you if you are uncomfortable wearing rigid gas-permeable contact lenses. Hybrid contact lenses are meant to provide the ...

Why have one review when you can have three? Here, Claudia Ross wonders if military technology has influenced the foundations ...

Over the quarter century I’ve been writing this column, I've been flabbergasted by the advances in telescopes for backyard ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

For several reasons, today’s recently departed Hellcats owe their thanks to the 1966 Dodge Charger, like the one profiled and ...