Doctors in China found the contacts while performing a procedure to treat a woman's facial asymmetry. The woman assumed she ...

The woman said she recalled "losing her left contact lens several times" but never experienced any vision problems.

The critically endangered Siberian Crane gets a bit of a breather, thanks to the securing of its stopover sites along the ...

If you have frames you love but lenses that are scratched or an old prescription, online services can help with shipping kits or pre-paid labels that allow you to mail in your glasses, get the ...

From the Composer Pro II to the Sweet 50, these are the best housing and lens options. Leica, Panasonic, and Sigma full-frame mirrorless cameras share a common lens system, the L-mount.

A growing library of quality lenses backs Nikon's mirrorless Z camera system. We're here to break down what's available and recommend the best optics we've tested. Images, and the devices that ...

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Monovision is the name given to the art and science of fitting contact lenses on a patient who has developed presbyopia. Presbyopia is the unavoidable change in vision that usually occurs at around 40 ...

This wing imprint in the snow is evidence of a raptor—likely an owl or hawk—successfully hunting. Birds of prey use their keen eyesight and hearing to detect small mammals, even beneath deep snow.