| Tints 
		Lens tints are generally 
		considered to be a fashion enhancement or for sunglass use but there are 
		many other practical applications such as increasing contrast for sports 
		such as golf or skiing. 
		Polarising tints are also 
		available in prescription format as Single Vision or Varifocal. These 
		reduce glare by cutting out horizontal reflections making them ideal for 
		driving, fishing and sailing. |