This study was conducted on 26 computer users at The Ohio State University, College of Optometry, Columbus 43218-2342, USA in order to understand the effectiveness of computer glasses.
Conclusion: 24 out of 26 subjects positively found that computer glasses are effective enough to combat the vision related symptoms.
Report Source : National Library of Medicine
To reduce the bias and get most precise results, a randomized trial was conducted at University of Toledo (USA). The aim of the study was to understand the blue light blocking capacity of amber lenses.
Conclusion: It was found that amber lenses block the blue light and at the end of trial the control group experienced significant improvement in sleep quality & overall mood.
Report Source: National Library of Medicine