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The lenses of smart sunglasses can be manufactured out of multiple adaptive cells, therefore different parts of the lens can exhibit different optical properties. For example, the top of the lens can be electronically configured to have different polarization filter characteristics and different opacity than the lower part of the lens.
Eyewear frames around this time were mainly made of animal bones, horns and fabric; the implementation of wire frames in the 16th century further allowed glasses to be mass-produced. The 16th century also saw the earliest ancestors of pince-nez eyewear, which secured itself to the wearer through "pinching" the nose and later would become ...
Depending on the company, these computer or gaming glasses can also filter out high energy blue and ultra-violet light from LCD screens, fluorescent lighting, and other sources of light. This allows for reduced eye-strain. [11] These glasses can be ordered as standard or prescription lenses that fit into standard optical frames. [12]
Eyeglass lenses were historically made of glass and had to be ground against an abrasive surface to fit the shape of the eyerims. Getting the lens to fit an irregularly shaped eyerim required skill and specialised equipment. The simplicity of carving a circle meant that circular lenses were generally cheaper to produce. Modern lenses are ...
Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors.Unlike window glass or crystal, whose formula is adapted to the desired aesthetic effect, optical glass contains additives designed to modify certain optical or mechanical properties of the glass: refractive index, dispersion, transmittance, thermal expansion and ...
With Withings — a French digital health company best-known for its high-tech bathroom scales and blood pressure monitors — comes a brand-new device, Withings Omnia, an AI-powered full-length ...
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