A major realization of Einstein’s general relativity is the fact that massive objects warp space-time in a way that is ...

Enhance your microscopy with high-performance objective lenses designed for precision imaging across scientific, industrial, and lab applications. Shanghai Optics’ microscope objective lenses deliver ...

A microscope objective lens produces a real, magnified image of an object placed within the field of view. Before it is observed the image is then magnified again by ...

An optical lens is a transparent optical component used to converge or diverge light emitted from a peripheral object. The transmitted light rays then form a real or virtual image of the object.

Mostly used to help older people read, these lenses focused on objects between 12 and 20 inches away from the eye. Nearsightedness, a more common affliction, proved more difficult to correct.

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We already have contact lenses that contain more than one prescription, enabling the wearer to adjust her focus depending on the distance from the object she is viewing—similar to bifocal or ...