article_snippet.sent: Dr Celia Sanchez-Ramos (pictured) said: 'Never before in human history have we exposed we eyes to light that is so intense, for such long periods, from such an early age' 'Never before in human history have we exposed our eyes to light that is so intense, for such long periods, from such an early age,' she says. '
article_snippet.sent: Dr Sanchez-Ramos carried out experiments at the University of Madrid in which human retinal cells, taken from volunteers, were exposed to cycles of LED light of different intensities.
article_snippet.sent: Based on More research, Dr Sanchez-Ramos designed a screen filter called ' Reticare ', which converts harmful blue light to a gentler frequency more akin to sunshine.
article_snippet.sent: Dr Sanchez-Ramos findings prompted Dr Sanchez-Ramos to design a screen filter called ' Reticare ', which converts harmful blue light to a gentler frequency more akin to sunshine .
article_snippet.sent: In 2013, Barnard Levit optometrists in London, who are specialists in the field, tested my eyes using a machine called a Colorimeter.
article_snippet.sent: Following this, Barnard Levit optometrists in London, who are specialists in the field designed a pair of glasses with a blue tint, which blocked the most harmful part of the colour spectrum.
article_snippet.sent: According to researchers at Harvard Medical School , 'not all colours of light have the same effect'.
highlights_snippet.sent: Dr Celia Sanchez-Ramos has developed one to make light less damaging .