The company, which is involved in the operation of professional eye care centres, trading of eyewear and eye care products, currently has 196 optical outlets with more than 220 qualified ...
Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...
What makes the Halliday smart glasses different is its so-called DigiWindow technology. It essentially beams information to your field of vision without a lens. The result is what looks like 3.5-inch ...
Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...
Citizens buy clothes at a retail outlet in a subway station in Wuhan, Hubei province, in December. CHINA DAILY In China's retail landscape, outlet malls are emerging as a major force, offering ...