Spending too long staring at a computer screen can lead to eye strain, dry eyes, headaches and more. Opticians refer to this broad range of symptoms as computer vision syndrome (CVS). These Gunnar Optiks Halogen glasses are designed to alleviate CVS symptoms – Gunnar is an American maker of specialist spectacles. Read our full review: http://www.computeractive.co.uk/ca/review/1936656/gunnar-optiks-halogen-glasses