Key screens is the LED screens found in most electronic devices . These screens can harm the light - sensitive retina , irreversibly affecting light . However the problem can be remedied by using special fluorescent filters . Dr Celia Sanchez - Ramos has developed one to make light less damaging .
Key culprit is the LED screens found in most electronic devices . These can can harm the light-sensitive retina , irreversibly damaging sight . However the problem can be remedied by using special screen filters . Dr Celia Sanchez-Ramos has developed one to make light less damaging .