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(CNN) — Adding a blue-light filter to your eyeglasses may not ease eye strain from computer work, protect the retina or help with sleep at night, according to a new
Blue light from computer screens and smartphones stimulates eyes and can cause sleep problems — but a new analysis finds blue light blocking glasses may not be much help.
Nasiruddin's photo on Unsplash lenses Glasses that filter blue light They are not effective, or rather, they do not reduce eye strain associated with the
Spectacles that are marketed to filter out blue light probably make no difference to eye strain caused by computer use or to sleep quality,
Previous studies have found that blue light filtering glasses help protect against retinal damage, improve sleep patterns and protect eye health.