The patented, dual-aspheric lenses offer prescription quality clarity and are treated with DX anti-fog hard coat. The patented 3-position pantascopic lens adjustment, adjustable temple lengths, soft universal-fit nosebridge and overall lightweight design of the Maxim all add up to make it an extremely comfortable and effective source for eye protection. Meets ANSI Z87.1-2003 and CSA Z94.3 standards. EA