Transitions Optical is a worldwide leader in poducing and promoting photocromic lenses under the Transitions brand. It was established in 1990 year in USA. It has main production facilities in USA, Ireland, Philipines, Thailan and etc. Main benefits of Transitions technology are that lenses are absolutely clearindoors, very quik to adapt and dark outside. 1 000 000 people in the world are considred to be Transitions weares.