Currents may also be generated by density differences in water masses caused by temperature and salinity variations. These currents move water masses through the deep oceanâtaking nutrients, oxygen, and heat with them. Occasional events also trigger serious currents. Huge storms move water masses.
Ray-ban and most other manufacturers frames are made from Plastic compounds. Ray-ban used to make all its glasses out of 'glass'. Now it makes its sunglass products out of scratch resistent plastics. Often they will 'feel' like glass but are in fact most usually plastic production.
According to the BBC, the glasses used âKalichrome lenses designed to sharpen details and minimise haze by filtering out blue light, making them ideal for misty conditions.â In 1999, the Global Eyewear Division of Bausch & Lomb, including Ray-Ban was acquired by Luxottica Group for US$640 million. Sunglasses lines. Ray-Ban's most popular sunglasses are the Wayfarer, and Aviator models. During the 1950s, Ray-Ban released the Caravans